# SDR AALA202204065347

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2022
- Submitted: April 6, 2022
- Operation: Air carrier
- Aircraft: [N110UW](https://openairdocs.org/aircraft/N110UW), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1112
- Aircraft time: 60,095 hours, 34,631 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Bellows
- Condition: Blown
- Location: Zone 400 - Nac/P
- Stage of operation: UK
- How discovered: V
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202204065347

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING FUNCTIONAL CHECK FLIGHT OF CABIN PRESSURIZATION, PRESSURIZATION WAS UNCONTROLLABLE ON CLIMB. FLIGHT RETURNED TO CLT LANDING SAFELY. REPLACED BLOWN RIGHT HAND PACK BELLOWS (AALA202204065347) PER AMM 36-11-49. REPLACED RIGHT HAND T DUCT (AALA202204069719) PER AMM 36-11-49. LEAK CHECK GOOD.

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