# SDR ASAA2023070843947

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2023
- Submitted: July 11, 2023
- Operation: Air carrier
- Aircraft: [N972AK](https://openairdocs.org/aircraft/N972AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43389
- Aircraft time: 5,249 hours, 1,493 cycles
- System (JASC): [7300 · Engine Fuel and Control](https://openairdocs.org/jasc/7300)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023070843947

## Discrepancy

GE DIAGNOSTICS REPORTS #1 ENGINE IS GENERATING ALERTS FOR PS3 OUT OF RANGE, PS3 DISAGREE FAULTS, P3B OUT OF RANGE, P3B DISAGREE FAULTS, OR P3B VS PS3 PRESSURE DISAGREE FAULTS. ICE/WATER BLOCAGE IS SUSPECT AND PSS BLOWOUT REQUIRED. GROUNDED - YES. ACCOMPLISHED PSS BLOWOUT ON THE #1 ENGINE AS PER TASK CARD 73-ASA-01. ENGINE RUN CARRIED OUT SUCCESSFULLY WITH NO FAULTS OBSERVED. THIS CLEARS TSR DEFERRAL. A/C OK FOR SERVICE.

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