SDR CALA2026012713334

Service difficulty report · Channel · Boeing 737824

Difficulty date: January 23, 2026
Submitted: January 27, 2026
Operation: Air carrier
Aircraft: N33289
Make and model: Boeing 737824
Aircraft serial: 31607
Aircraft time: 66,417 hours, 24,571 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Part number: 143A7501
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

FWD CARGO BAY, LT ZEE CHANNEL BTW BS 500A & 500F SEVERAL SPOTS OF CORROSION. R & R THE ZEE CHANNEL IAW AMM 20-60-07-913-801, SRM 51-40-02-0G-0, SRM 53-00-53-2R-6, STEP 4 D, TABLE 201, SRM 51-40-05-0G-0, SRM 51-40-08-0G-0, AMM 51-21-72-370-802, AMM 51-21-72-370-804, AMM 20-60-07-913-801, AND SRM 51-20-01-0G-0.