What was found
FWD PIT LH SIDEPLATE TRANSITION PANEL STA 500C - 500L IS CORRODED IN MULTIPLE SPOTS. GROUNDED - YES. REMOVED QAND REPLACED L/H SIDEPLATE TRANSITION PANEL STA 400-500L I.A.W. BOEING 737-900CR SRM 53--00-53-22-6.
- Difficulty date
- April 20, 2026
- Submitted
- May 30, 2026
- Operation
- Air carrier
- Aircraft
- N464AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40714
- Aircraft time
- 44,925 hours, 13,804 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Transition Panel
- Part number
- 143A7501203
- 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.