What was found
AIRCRAFT WAS GROUNDED: L1 WINDOW CRACKED IN NUMEROUS LOCATIONS IMMEDIATELY AFTER L1 OVERHEAT LIGHT ILLUMINATION. REPLACED L1 WINDOW WITH SERVICEABLE UNIT IAW WORKCARD 08C21156006.
- Difficulty date
- August 15, 2021
- Submitted
- August 20, 2021
- Operation
- Air carrier
- Aircraft
- N923NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31167
- Aircraft time
- 25,255 hours, 10,369 cycles
- System (JASC)
- 5610 · Flight Compartment Windows
- Part
- Window
- Condition
- Cracked
- Location
- Cockpit L1
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.