What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON L4 DOOR CUT OUT LOWER SILL PLATE AT FR 66 AND 1.7" FROM THE OUTBOARD EDGE OF THE SILL PLATE. REPLACED SILL PLATE PER SRM 51-72-11.
- Difficulty date
- January 20, 2020
- Submitted
- January 23, 2020
- Operation
- Air carrier
- Aircraft
- N575UW
- Make and model
- Airbus A321231
- Aircraft serial
- 5980
- Aircraft time
- 20,807 hours, 8,092 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Plate
- Part number
- D5348004320601
- Condition
- Corroded
- Location
- Frame 66
- 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.