What was found
FWD PIT LH SIDEPLATE (TRANSITION PANEL) IS CORRODED MULTIPLE SPOTS FROM STA 500A-500L. GROUNDED - YES. REPAIRED TRANSITIONAL PANEL IAW B737-900ER SRM 53-00-53-1A-2 AND 53-00-53-2R-5W= 3.0" O= .040 R= .032 L= 1.5" D= .080.
- Difficulty date
- February 4, 2026
- Submitted
- February 18, 2026
- Operation
- Air carrier
- Aircraft
- N494AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41729
- Aircraft time
- 36,972 hours, 11,237 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Transition Panel
- Part number
- 143A7501143
- 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.