# SDR AALA202303038114

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2023
- Submitted: March 3, 2023
- Operation: Air carrier
- Aircraft: [N921AN](https://openairdocs.org/aircraft/N921AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29522
- Aircraft time: 63,183 hours, 25,888 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Sliding Window
- Part number: 141A481053
- Part serial: 192
- Condition: Noisy
- Location: Zone 200 - Fuse
- Part time: 19,041 hours, 7,869 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/AALA202303038114

## Discrepancy

AIRCRAFT WAS GROUNDED: ON TAKE OFF ROLL, CLIMB, CRUISE, AND DESCENT, LOUD AIR NOISE COMING FROM LEFT SIDE OF COCKPIT. PRESSURIZATION WAS NORMAL. SUSPECT L2 WINDOW. REMOVED AND REPLACED CAPTAINS SLIDING WINDOW PER AMM 56-12-11. LEAK CHECK GOOD PER AMM 05-51-91. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.

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