What was found
FWD CARGO L/H TRANSITION CORRODED STA 500H. GROUNDED - YES. REMOVED CORROSION IAW B737-900ER SRM 53-00-53-1A-2 REMOVED AND REPLACED TRANSITION PANEL SECTION IAW B737-900ER SRM 53-00-53-2R-5W: .5" O: .040" R: .033" L: 3" D: .007".
- Difficulty date
- December 9, 2025
- Submitted
- December 26, 2025
- Operation
- Air carrier
- Aircraft
- N273AK
- Make and model
- Boeing 737990ER
- Aircraft serial
- 61554
- Aircraft time
- 29,646 hours, 9,589 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.