# SDR 95ZZZM570

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N852JS](https://openairdocs.org/aircraft/N852JS), registered now
- Make and model: Bag JETSTM3101
- Aircraft serial: 724
- System (JASC): [7920 · Engine Oil Distribution (Airframe Furnished)](https://openairdocs.org/jasc/7920)
- Part: Thermostat
- Part number: L8523427
- Condition: Defective
- Location: Lt Oil Cooler
- Stage of operation: TX
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95ZZZM570

## Discrepancy

FLT NR 4040 - AIRCRAFT RETURNED TO GATE AFTER CREW NOTICED LEFT ENGINE OIL TEMP/PRESSURE FLUCTUATION DURING TAXI.  OUT STATION MAINTENANCE REPLACED LEFT ENGINE OIL COOLER VERTATHERM IAW MM 79-20-00.  OPS CHECKED GOOD.  AIRCRAFT RETURNED TO SERVICE.  (M)

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