# SDR 95ZZZX4609

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N306NT
- Make and model: Rkwell NA26540
- Aircraft serial: 282030
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Valve
- Part number: 5161651
- Condition: Defective
- Location: Power Brake
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95ZZZX4609

## Discrepancy

VALVE WAS REMOVED FROM AIRCRAFT DUE TO INTERNAL BYPASSING CAUSING HYDRAULIC PUMP TO CYCLE CONTINUOUSLY.  UNIT TIME IN SERVICE SINCE REPAIR:  37.3 HRS.  SUBMITTER STATED LOW-TIME FAILURES OF THESE UNITS HAS BEEN COMMON IN FLEET OF 17 AIRCRAFT.  INTERNAL BYPASSING CONDITIONS ARE COMMON IN BOTH OVERHAULED AND REPAIRED UNITS.  AIRCRAFT TOTAL TIME:  10,697.7 HRS.  TOTAL LANDINGS:  7,306.

---
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.