What was found
CORROSION FOUND ON THE L4 DOOR CUT OUT THRESHOLD BEAM UPPER INBOARD COUPLING BETWEEN FRAMES 68 AND 69. REPLACED THE COUPLING IAW SRM 51-42-11.
- Difficulty date
- March 20, 2019
- Submitted
- March 22, 2019
- Operation
- Air carrier
- Aircraft
- N170US
- Make and model
- Airbus A321211
- Aircraft serial
- 1462
- Aircraft time
- 60,881 hours, 22,914 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Coupling
- Part number
- D534721020000
- Condition
- Corroded
- Location
- Frames 68-69
- 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.