# SDR AALA202203212236

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2022
- Submitted: March 21, 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: 59,982 hours, 34,573 cycles
- System (JASC): [3140 · Central Computers](https://openairdocs.org/jasc/3140)
- Part: None
- Part number: 350E5500202
- Condition: Faulty
- Location: Zone 100 - Fuse
- Part time: 61,367 hours, 25,137 cycles
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202203212236

## Discrepancy

AIRCRAFT WAS GROUNDED: UNABLE TO CONTROL CABIN PRESSURIZATION IN AUTO OR MANUAL. BOTH CHANNELS. FLIGHT DIVERTED TO PHX, LANDING SAFELY. REPLACED SYSTEM DATA ACQUISITION CONCENTRATOR  (SDAC) #1 PER AMM 31-55-34. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.

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