SDR CALA2026082118780

Service difficulty report · Channel · Boeing 737824

Difficulty date: August 8, 2026
Submitted: August 21, 2026
Operation: Air carrier
Aircraft: N78540
Make and model: Boeing 737824
Aircraft serial: 63646
Aircraft time: 27,628 hours, 10,398 cycles
Engine: Cfmint CFM567B27
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Part number: 143A7501
Condition: Corroded
Location: Zone 200
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

RIGHT FWD CARGO ZEE CHANNEL BTWN BS 500A - 500I WITH POSSIBLE CORROSION. PERFORMED PERMANENT REPAIR ON FWD CARGO BAY RT ZEE CHANNEL BTWN BS 500A - 500I IAW SRM 53-00-53-2R-5, 51-40-02-0G-0, 51-40-05-0G-0, 51-40-08-0G-0, & AMM 51-21-72-370-804, 20-60-07-913-801.