What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON L4 DOOR CUT OUT LOWER SILL CENTER SILL SHAPE FITTING BETWEEN FR 66 AND FR 68 AT S23L. REPLACED CENTER SILL SHAPE FITTING PER SRM 51-42-11.
- Difficulty date
- July 7, 2020
- Submitted
- July 18, 2020
- Operation
- Air carrier
- Aircraft
- N121AN
- Make and model
- Airbus A321231
- Aircraft serial
- 6238
- Aircraft time
- 19,770 hours, 5,558 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Door Sill
- Part number
- D5348004820203
- Condition
- Corroded
- Location
- Frames 66-68
- 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.