What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION UNDER AFT PASSENGER CABIN LAVATORY 4F-1L THRESHOLD. REPAIRED PER EA 374741.
- Difficulty date
- May 30, 2026
- Submitted
- June 1, 2026
- Operation
- Air carrier
- Aircraft
- N831AA
- Make and model
- Boeing 7879
- Aircraft serial
- 40652
- Aircraft time
- 34,020 hours, 3,999 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Threshold
- 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.