As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO Z-CHANNEL BS 727E +10 TO BS 847 CORRODED LBL 20 CORROSION ON Z CHANNEL BS 727E +10 TO BS 847 CORRODED LBL 20 IN AFT CARGO PIT BLENDED AND FOUND TO BE BEYOND LIMITS. REPLACED WITH MADE REPAIR PART IAW 737 700 SRM 53 00 53 REPAIR 6.