What was found
MCN - C21 - AFT PRESSURE BULKHEAD HAS ENLARGED FASTENER HOLES AT EXPANSION SEAL INTERCOSTAL AT BS 1016, WL 208 BETWEEN RBL 2 TO RBL 8. REPLACED AFT PRESSURE BULKHEAD EXPANSION SEAL INTERCOSTAL IAW B737-300 SRM 51-40-02.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MCN - C21 - AFT PRESSURE BULKHEAD HAS ENLARGED FASTENER HOLES AT EXPANSION SEAL INTERCOSTAL AT BS 1016, WL 208 BETWEEN RBL 2 TO RBL 8. REPLACED AFT PRESSURE BULKHEAD EXPANSION SEAL INTERCOSTAL IAW B737-300 SRM 51-40-02.