# SDR 99ZZZX2561

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N911MZ](https://openairdocs.org/aircraft/N911MZ), registered now
- Make and model: Bolkms BK117A3
- Aircraft serial: 7098
- Engine: Lyc LTS101650B1
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: O-Ring
- Part number: M8324811904
- Condition: Leaking
- Location: T1 Sensor
- Part time: 569 hours
- Component: 430109902
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX2561

## Discrepancy

TROUBLESHOT SYSTEM PER ENGINE MM.  FOUND AIR LEAK ON TEMP COMPENSATOR.  REMOVED 5 O-RINGS, PN M8324811-904.  INSTALLED 5 NEW O-RINGS, P/N SAME.  PERFORMED 7 GROUND RUNS ON NR 1 ENGINE.  PERFORMED MAXIMUM CONTINUOUS OE 1 ON NR 1 ENGINE.  TOPPED NR 1 PER ACFT TECH REP.  ALL TEST RUNS AND FLIGHTS PERFORMED WITH NO DEFECTS NOTED.

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