SDR CALA2026030314257

Service difficulty report · Transition Panel · Boeing 737924ER

Difficulty date: February 18, 2026
Submitted: March 3, 2026
Operation: Air carrier
Aircraft: N37437
Make and model: Boeing 737924ER
Aircraft serial: 33532
Aircraft time: 51,947 hours, 18,550 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Transition Panel
Part number: 143A7501189
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 TRANSITION PANEL FROM BS 500C+15 - 500L, LBL 21 CORRODED. THE CORRODED AREA ON THE TRANSITION PANEL FROM BS 500C+15 - 500K, LBL 21 FOUND TO BE 100% MATERIAL LOSS IN MULTIPLE AREAS IAW SRM 53-00-53-1A-2, FIG 103, REMOVED DAMAGED TRANSITION PANEL.