What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION UNDER LAVATORY L4F-1L THRESHOLD AT BS 1744 BETWEEN LBL 53 AND LBL 81. REPAIRED THRESHOLD PER EA 371759.
- Difficulty date
- February 6, 2026
- Submitted
- February 9, 2026
- Operation
- Air carrier
- Aircraft
- N828AA
- Make and model
- Boeing 7879
- Aircraft serial
- 40648
- Aircraft time
- 35,112 hours, 4,136 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Threshold
- Condition
- Corroded
- Location
- Zone 900
- Component
- Lavatory
- Component part number
- B80014A1017
- 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.