SDR CALA2025120211680

Service difficulty report · Channel · Boeing 737924ER

Difficulty date: November 29, 2025
Submitted: December 2, 2025
Operation: Air carrier
Aircraft: N38479
Make and model: Boeing 737924ER
Aircraft serial: 62817
Aircraft time: 27,116 hours, 10,252 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Part number: 146A7502
Condition: Corroded
Location: Zone 100
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFT CARGO, FOUND MULTIPLE POINTS OF CORROSION ON LT ZEE CHANNEL, BETWEEN BS 727B - 847, REMOVED, FABRICATED, LOCATED, DRILLED & PERFORMED COUTERSINK ON AFT CARGO BAY LT ZEE CHANNEL BTW 727B TO 847 APPLIED ALODINE, PRIMER AND INSTALLED NEW ZEE CHANNEL IAW SRM 51-40-02-0G-0, 53-00-53-2R-5 51-40-05-0G-0, 51-40-08-0G-0, 53-00-53-2R-6 AMM 51-21-41-370-802, 51-21-72-370-804, 20-60-07-9 13-801.