# SDR ASOA00066

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2000
- Submitted: August 16, 2000
- Operation: Air carrier
- Aircraft: [N534AS](https://openairdocs.org/aircraft/N534AS), registered now
- Make and model: Aerosp ATR72
- Aircraft serial: 463
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: O-Ring
- Part number: M832481157
- Condition: Failed
- Location: Propeller
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA00066

## Discrepancy

FLT 4153 - CREW REPORTED NR 1 ENGINE LOW PRESSURE INDICATION WARNING.  CREW SHUT DOWN ENGINE ACCORDING TO CHECKLIST.  AIRCRAFT RETURNED TO ATL AND LANDED SAFELY.  MAINTENANCE FOUND PSV MOUNTING ADAPTER TUBE O-RING BROKEN.  MAINTENANCE REPLACED RING.  OPERATIONAL CHECKS WERE GOOD.  AIRCRAFT RETURNED TO SERVICE.  (M)

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