What was found
AIRCRAFT WAS GROUNDED: AT CRUISE, L1 WINDOW ARCED WITH CRACKING OF OUTER WINDOW PANE. PRESSURIZATION NORMAL DURING CRUISE AND DESCENT. REMOVED AND REPLACED L1 WINDOW.
- Difficulty date
- December 22, 2022
- Submitted
- January 10, 2023
- Operation
- Air carrier
- Aircraft
- N987AN
- Make and model
- Boeing 737823
- Aircraft serial
- 31069
- Aircraft time
- 40,817 hours, 16,922 cycles
- System (JASC)
- 5610 · Flight Compartment Windows
- Part
- Window
- Part number
- 5893543149
- Part serial
- 19169H6169
- Condition
- Arced
- Location
- L1
- Part time
- 3,098 hours, 6,730 cycles
- Stage of operation
- CR
- How discovered
- V
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.