What was found
AIRCRAFT IN BASE MAINTENANCE: FOUND CORROSION ON STRINGER 26L AROUND FASTENER HOLE APPROXIMATELY BS 777. REPLACED STRINGER FROM FS 777 TO FS 837; IAW SRM 53-00-03-2R-1, AARD 51-00-05 AND BOEING DWG 146A3230.
- Difficulty date
- August 3, 2026
- Submitted
- September 2, 2026
- Operation
- Air carrier
- Aircraft
- N904AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29506
- Aircraft time
- 71,361 hours, 29,891 cycles
- System (JASC)
- 5313 · Fuselage Main, Longeron/Stringer
- Part
- Stringer
- Part number
- 146A323347
- Condition
- Corroded
- Location
- Zone 200
- 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.