What was found
LEFT TRANSITION SIDEPLATE IS CORRODED BETWEEN STA 727G+12 TO 747+12. GROUNDED - YES. REPAIRED LT TRANSITION SIDEPLATE STA 727F+12 TO 747+12 IAW B737-900 SRM 53-00-53-2R-5. W 1.3, O .040, R .015, L 15, D.025.
- Difficulty date
- November 19, 2025
- Submitted
- December 2, 2025
- Operation
- Air carrier
- Aircraft
- N493AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41727
- Aircraft time
- 34,581 hours, 10,708 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Transition Panel
- Part number
- 146A750237
- 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.