What was found
AIRCRAFT IN BASE MAINTENANCE: FOUND GALVANIC CORROSION ON STRINGER LOCATION BS 787 AND LBL 21. REMOVED AND REPLACED SECTION OF STRINGER BAC1498-159 USING AN INTERNAL DOUBLER AND HAT SPLICE BAC1498-116; IAW SRM 53-00-03-2R-1.
- Difficulty date
- July 22, 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
- BAC1498159
- 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.