# SDR ASAA2023102345816

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2023
- Submitted: October 27, 2023
- Operation: Air carrier
- Aircraft: [N493AS](https://openairdocs.org/aircraft/N493AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41727
- Aircraft time: 27,243 hours, 8,524 cycles
- System (JASC): [7520 · Engine Cooling System](https://openairdocs.org/jasc/7520)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- 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/ASAA2023102345816

## Discrepancy

FOUND 4 ECONOMIC FAULTS ON #2 ENG HPTACC SIGNALS RECORDED FAULTS: 75-10462, 75-20412, 75-10412, 75-10362. GROUNDED - YES. ON DEFERRAL.

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