What was found
AIRCRAFT WAS NOT GROUNDED: FLIGHT DECK LEFT HAND SLIDING WINDOW APPEARS TO BE DELAMINATION ON HEATING ELEMENT. MAINTENANCE REPLACED SLIDING WINDOW AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER TASK CARD 08L21056001.
- Difficulty date
- December 20, 2025
- Submitted
- December 23, 2025
- Operation
- Air carrier
- Aircraft
- N970NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31218
- Aircraft time
- 31,276 hours, 13,348 cycles
- System (JASC)
- 5610 · Flight Compartment Windows
- Part
- Sliding Window
- Part number
- 141A481037
- Part serial
- UNIT213
- Condition
- Delaminated
- Location
- Zone 200
- Part time
- 31,303 hours, 13,358 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.