# SDR 2003FA0000188

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 6, 2001
- Submitted: February 26, 2003
- Operation: General aviation
- Aircraft: [N3PD](https://openairdocs.org/aircraft/N3PD), registered now
- Make and model: Doug MD 900
- Registry model: [Doug MD 900](https://openairdocs.org/model/mcdonnell-douglas-helicopter-md-900) (OpenAirDocs)
- Aircraft serial: 90000085
- Aircraft time: 200 hours
- Engine: Pwc PW207E
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Indicator
- Part number: 071142258
- Condition: Defective
- Location: Filter Bypass
- 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/2003FA0000188

## Discrepancy

AFTER INSTALLING NEW HYDRAULIC FILTER, THE RETURN SIDE BYPASS INDICATOR POPPED WITH NO PRESSURE APPLIED.  AFTER RESETTING THE INDICATOR, INDICATOR POPPED AGAIN.  REPLACED IMPENDING BY-PASS INDICATOR PN 071142-258.  OPS CHECK GOOD.

---
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.