What was found
AIRCRAFT WAS GROUNDED. FLIGHT COMPARTMENT LEFT L1 FIXED WINDOW HAS TWO CRACKS BOTTOM RIGHT 5 O'CLOCK POSITION. REMOVED AND REPLACED LEFT NUMBER 3 FIXED WINDOW, PER AMM 56-11-12.
- Difficulty date
- October 28, 2020
- Submitted
- October 29, 2020
- Operation
- Air carrier
- Aircraft
- N553UW
- Make and model
- Airbus A321231
- Aircraft serial
- 4960
- Aircraft time
- 29,314 hours, 10,963 cycles
- System (JASC)
- 5610 · Flight Compartment Windows
- Part
- Window
- Part number
- NP1653133
- Part serial
- 8937
- Condition
- Cracked
- Location
- L1
- Part time
- 29,314 hours, 10,963 cycles
- 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.