# SDR AALA202112022335

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2021
- Submitted: December 2, 2021
- Operation: Air carrier
- Aircraft: [N998NN](https://openairdocs.org/aircraft/N998NN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 31250
- Aircraft time: 15,209 hours, 6,296 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Window
- Part number: 141A481053
- Part serial: 16172H5988
- Condition: Delaminated
- Location: Zone 200 - Fuse
- Part time: 15,208 hours, 6,296 cycles
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202112022335

## Discrepancy

AIRCRAFT WAS GROUNDED: LEFT SIDE WINDOW DELAMINATED. LEFT SIDE WINDOW HEAT OVERHEAT LIGHT AT FLIGHT LEVEL 320. TURNED OFF FOR 5 MIN PER QUICK REFERENCE HANDBOOK, LIGHT CAME BACK ON THEN TURNED OFF FOR DURATION OF FLIGHT. L2 WINDOW REMOVED AND REPLACED PER WORK CARD 08L21056001.

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