What was found
FWD PIT LEFT TRANSITION PANEL ASSY CORRODED ON UPPER SURFACE FROM BS 500D TO BS 500L APPROX LBL-24. REMOVED AND REPLACED BAC1496-444 7075-T62C TRANSITION PANEL IAW B737-900ER SRM 51-40-02 AND SRM 51-40-05, SRM 53-00-53-2R-5.
- Difficulty date
- October 11, 2025
- Submitted
- October 14, 2025
- Operation
- Air carrier
- Aircraft
- N75435
- Make and model
- Boeing 737924ER
- Aircraft serial
- 33529
- Aircraft time
- 51,181 hours, 18,376 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Transition Panel
- Part number
- BAC1496444
- 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.