# SDR DHL2001708003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2001
- Submitted: May 29, 2001
- Operation: Air carrier
- Aircraft: N708DH
- Make and model: Boeing 727-25
- Registry model: [Boeing 727-25](https://openairdocs.org/model/boeing-727-25) (OpenAirDocs)
- Aircraft serial: 18275
- Engine: Pwa JT8D7B
- System (JASC): [7260 · Turbine Engine Accessory Drive](https://openairdocs.org/jasc/7260)
- Part: Stud
- Condition: Missing
- Location: Gearbox
- Stage of operation: AP
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL2001708003

## Discrepancy

PRECAUTIONARY ENGINE SHUTDOWN DUE TO LOSS OF OIL.  SHUTDOWN WHEN OIL PRESSURE STARTED TO DECREASE.  ENGINE OIL PRESS/TEMP GOOD UNTIL TOUCHDOWN.  PERFORMED ABNORMAL PROCEDURES.  N1 & N2 ROTATION GOOD UNTIL TOUCHDOWN.  ENGINE NR 1.  FOUND GEARBOX THRU STUD FELL OUT AND OIL LEAKING FROM GEARBOX SUMP.  INSTALLED INSERT AND REINSTALLED STUD PER MM 72-61.  RAN ENGINE, LEAK CHECK NORMAL.  NO LEAKS NOTED.

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