What was found
AIRCRAFT IN BASE MAINTENANCE. FOUND CORRODED AREA ON LOWER SILL AT FR 68 AND STR 23R, MEASURING L=0.800 INCH, W=0.600 INCH, D=0.039 INCH. PERFORMED PERMANENT REPAIR ON LOWER SILL, IAW A321 SRM 53-41-14-300-001 PRINCIPLE 7.
- Difficulty date
- December 9, 2020
- Submitted
- December 16, 2020
- Operation
- Air carrier
- Aircraft
- N131NN
- Make and model
- Airbus A321231
- Aircraft serial
- 6472
- Aircraft time
- 20,470 hours, 5,520 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Support
- Part number
- D5348004320701
- Condition
- Corroded
- Location
- Frame 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.