# SDR 2001FA0000251

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2001
- Submitted: September 10, 2001
- Operation: General aviation
- Aircraft: [N9240M](https://openairdocs.org/aircraft/N9240M), registered now
- Make and model: Mooney M20E
- Registry model: [Mooney M20E](https://openairdocs.org/model/mooney-m20e) (OpenAirDocs)
- Aircraft serial: 1193
- Engine: Lyc IO360A1A
- System (JASC): [8550 · Reciprocating Engine Oil System](https://openairdocs.org/jasc/8550)
- Part: Impeller
- Condition: Damaged
- Location: Oil Pump
- Part time: 478 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001FA0000251

## Discrepancy

OIL PUMP IMPELLERS S1B 524, FOUND OIL PUMP GEARS TO BE STEEL TYPE BUT NO DOCUMENTATION AS TO WHAT PN THE GEARS WERE.  FOUND GEARS HAD FOREIGN MATERIAL HAD PASSED THROUGH THE OIL PUMP.  OIL PUMP GEARS WERE NOT AIRWORTHY REGARDLESS OF PART NUMBERS.  INSTALLED IMPELLER KIT PN 05K19423S.  (ATTACHED PHOTOS)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
