# SDR ASAA2023080244370

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2023
- Submitted: August 3, 2023
- Operation: Air carrier
- Aircraft: [N954AK](https://openairdocs.org/aircraft/N954AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44104
- Aircraft time: 2,519 hours, 739 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- 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/ASAA2023080244370

## Discrepancy

PRIMARY PRESSURIZATION CONTROLLER FAILED(USED ALTN TO PHX). GROUNDED - YES. RESET 1 CPC CB REF 20-60-01, PERFORMEDBITE OF #1 & 2 CPC, NO FAULTS,SYS OKAY REF AMM 21-31-00-740-801OKAY FOR SVC, NO HISTORY 90 DAYS.

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