# SDR AALA202203223030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2022
- Submitted: March 22, 2022
- Operation: Air carrier
- Aircraft: [N836NN](https://openairdocs.org/aircraft/N836NN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 31095
- Aircraft time: 35,023 hours, 14,341 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Window
- Part number: 141A481041
- Part serial: 12103H4534
- Condition: Noisy
- Location: Zone 200 - Fuse
- Part time: 35,023 hours, 14,342 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202203223030

## Discrepancy

AIRCRAFT WAS GROUNDED: CAPTAIN SIDE WINDOW HAS A LOUD HIGH PITCH SQUEAL FROM TAKEOFF THROUGH CRUISE SEGMENT,DISSIPATES ON DESCENT. CABIN PRESSURE NORMAL REPLACED #2 LEFT SIDE FLIGHT DECK WINDOW AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER TASK CARD 08L21056001.

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