What was found
AIRCRAFT IN BASE MAINTENANCE: FILIFORM CORROSION IN TRANSITION PANEL. MAINTENANCE REMOVED CORRODED TRANSITION PANEL AT STA. 727J TO 747, S24L, LBL 23 AND INSTALLED NEW, SERVICABLE TRANSITION PANEL.
- Difficulty date
- July 18, 2026
- Submitted
- July 30, 2026
- Operation
- Air carrier
- Aircraft
- N903AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29505
- Aircraft time
- 70,975 hours, 29,741 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Transition Panel
- Part number
- 146A750231
- 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.