diff --git a/attn/pel/primary_src.hpp b/attn/pel/primary_src.hpp
new file mode 100644
index 0000000..659cb48
--- /dev/null
+++ b/attn/pel/primary_src.hpp
@@ -0,0 +1,150 @@
+#pragma once
+
+#include "pel_common.hpp"
+#include "pel_section.hpp"
+#include "stream.hpp"
+
+namespace attn
+{
+namespace pel
+{
+
+/**
+ * @class PrimarySrc
+ *
+ * @brief This class represents the primary SRC sections in the PEL.
+ *
+ * |--------+--------------------------------------------|
+ * | length | field                                      |
+ * |--------+--------------------------------------------|
+ * | 1      | Version = 0x02                             |
+ * |--------+--------------------------------------------|
+ * | 1      | Flags = 0x00 (no additional data sections) |
+ * |--------+--------------------------------------------|
+ * | 1      | reserved                                   |
+ * |--------+--------------------------------------------|
+ * | 1      | Number of words of hex data + 1 = 0x09     |
+ * |--------+--------------------------------------------|
+ * | 2      | reserved                                   |
+ * |--------+--------------------------------------------|
+ * | 2      | Total length of SRC in bytes = 0x48        |
+ * |--------+--------------------------------------------|
+ * | 4      | Hex Word 2 (word 1 intentionally skipped)  |
+ * |--------+--------------------------------------------|
+ * | 4      | Hex Word 3                                 |
+ * |--------+--------------------------------------------|
+ * | 4      | Hex Word 4                                 |
+ * |--------+--------------------------------------------|
+ * | 4      | Hex Word 5                                 |
+ * |--------+--------------------------------------------|
+ * | 4      | Hex Word 6                                 |
+ * |--------+--------------------------------------------|
+ * | 4      | Hex Word 7                                 |
+ * |--------+--------------------------------------------|
+ * | 4      | Hex Word 8                                 |
+ * |--------+--------------------------------------------|
+ * | 4      | Hex Word 9                                 |
+ * |--------+--------------------------------------------|
+ * | 32     | ASCII String                               |
+ * |--------+--------------------------------------------|
+ */
+class PrimarySrc : public Section
+{
+  public:
+    enum HeaderFlags
+    {
+        additionalSections  = 0x01,
+        powerFaultEvent     = 0x02,
+        hypDumpInit         = 0x04,
+        i5OSServiceEventBit = 0x10,
+        virtualProgressSRC  = 0x80
+    };
+
+    PrimarySrc()                  = delete;
+    ~PrimarySrc()                 = default;
+    PrimarySrc(const PrimarySrc&) = delete;
+    PrimarySrc& operator=(const PrimarySrc&) = delete;
+    PrimarySrc(PrimarySrc&&)                 = delete;
+    PrimarySrc& operator=(PrimarySrc&&) = delete;
+
+    /**
+     * @brief Constructor
+     *
+     * Fills in this class's data fields from raw data.
+     *
+     * @param[in] pel - the PEL data stream
+     */
+    explicit PrimarySrc(Stream& pel);
+
+    /**
+     * @brief Flatten the section into the stream
+     *
+     * @param[in] stream - The stream to write to
+     */
+    void flatten(Stream& stream) const override;
+
+    /**
+     * @brief Fills in the object from the stream data
+     *
+     * @param[in] stream - The stream to read from
+     */
+    void unflatten(Stream& stream);
+
+    /**
+     * @brief Set the SRC words
+     *
+     * @param[in] srcWords - The SRC words
+     */
+    void setSrcWords(std::array<uint32_t, numSrcWords> srcWords);
+
+    /**
+     * @brief Set the ascii string field
+     *
+     * @param[in]  asciiString - The ascii string
+     */
+    void setAsciiString(std::array<char, asciiStringSize> asciiString);
+
+  private:
+    /**
+     * @brief The SRC version field
+     */
+    uint8_t _version = 0x02;
+
+    /**
+     * @brief The SRC flags field
+     */
+    uint8_t _flags = 0;
+
+    /**
+     * @brief A byte of reserved data after the flags field
+     */
+    uint8_t _reserved1B = 0;
+
+    /**
+     * @brief The hex data word count.
+     */
+    uint8_t _wordCount = numSrcWords + 1; // +1 for backward compatability
+
+    /**
+     * @brief Two bytes of reserved data after the hex word count
+     */
+    uint16_t _reserved2B = 0;
+
+    /**
+     * @brief The total size of the SRC section (w/o section header)
+     */
+    uint16_t _size = 72; // 72 (bytes) = size of basic SRC section
+
+    /**
+     * @brief The SRC 'hex words'.
+     */
+    std::array<uint32_t, numSrcWords> _srcWords;
+
+    /**
+     * @brief The 32 byte ASCII character string of the SRC
+     */
+    std::array<char, asciiStringSize> _asciiString;
+};
+
+} // namespace pel
+} // namespace attn