# SDR CALA2025091708988

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2025
- Submitted: September 17, 2025
- Operation: Air carrier
- Aircraft: [N490UA](https://openairdocs.org/aircraft/N490UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1728
- Aircraft time: 71,172 hours, 31,180 cycles
- System (JASC): [5220 · Emergency Exits](https://openairdocs.org/jasc/5220)
- Part: Door
- Condition: No Discrepancy
- Location: Zone 800
- Stage of operation: IN
- 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/CALA2025091708988

## Discrepancy

FA REPORTED LOUD SQUEELING SOUND FROM LEFT OVERWING EMERGENCY EX IT ROW 21.   PRESSURIZED CABIN TO 4 PSI IAW AMM 05-53-00-780-001-A01. NO SQUEELING COMING FROM EXT ROW ON GROUND.

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