# SDR CA991103012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Hiller UH-12E
- Registry model: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (OpenAirDocs)
- Engine: Allsn 250C20B
- System (JASC): [7920 · Engine Oil Distribution (Airframe Furnished)](https://openairdocs.org/jasc/7920)
- Part: Oil Pump
- Part number: 105HBG312
- Condition: Seized
- Location: Transmission
- Component: 5602300
- Stage of operation: NR
- Nature of condition: J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA991103012

## Discrepancy

(CAN) TRANSMISSION OIL PUMP HAD FAILED, FAILING TO LUBRICATE THE LOWER MAIN ROTOR TRANSMISSION RGB CAUSING IT TO SEIZE.  TEAR DOWN TO FOLLOW.

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