What was found
AIRCRAFT IN BASE MAINTENANCE. CORROSION BETWEEN THE R4 DOOR THRESHOLD INBOARD LIP AND THRESHOLD FLOOR BETWEEN FRAMES 66 AND 68, -Y1732. REPLACED THRESHOLD ANGLE IAW SRM 51-42-11 AND SRM 51-72-11.
- Difficulty date
- June 20, 2018
- Submitted
- June 21, 2018
- Operation
- Air carrier
- Aircraft
- N556UW
- Make and model
- Airbus A321231
- Aircraft serial
- 5244
- Aircraft time
- 19,686 hours, 7,907 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Angle
- Part number
- D5348004800104
- 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.