# SDR 98ZZZX3158

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Engine: Allsn 250C30
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Seal Kit
- Part number: 23008014
- Condition: Leaking
- Location: Engine
- Component: 23001643
- Stage of operation: IN
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX3158

## Discrepancy

UPON ASSEMBLY, PRESSURED UP NR 1 SEAL AREA WITH ENGINE OIL TO CHECK FOR LEAKAGE AND FOUND SEAL WOULD NOT HOLD (EXCESSIVE LEAKAGE PAST SEAL).  SUSPECT HEIGHT OF CARBON SEAL TOO LOW TO SEAL PROPERLY AGAINST MATING RING.

---
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.