What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON LAVATORY L4F-1L LOWER BASE EXTRUSION AT BS 1670, FROM LBL 39.5 TO LBL 102.5. REPAIRED LAVATORY LOWER BASE EXTRUSION PER EA 362762.
- Difficulty date
- March 27, 2025
- Submitted
- March 28, 2025
- Operation
- Air carrier
- Aircraft
- N821AN
- Make and model
- Boeing 7879
- Aircraft serial
- 40640
- Aircraft time
- 32,195 hours, 3,882 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Structure
- Condition
- Corroded
- Location
- Zone 900
- 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.