What was found
RH SIDEPLATE TRANSITION PANEL IS CORRODED IN MULTIPLE SPOTS FROM STA 500 - 500K. GROUNDED - YES. REMOVED AND REPLACED R/H TRANSITION PANEL I.A.W. B737-900 SRM 53-00-53-2R-6W= 1" 2= .040 R= .030 L= 1' D= .010.
- Difficulty date
- April 21, 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
- 143A7501204
- Condition
- Corroded
- Location
- Zone 100
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.