# SDR 9804359995

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N8978E
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47327
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Check Valve
- Condition: Failed
- Location: Lt Brake
- Stage of operation: TX
- Nature of condition: P
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9804359995

## Discrepancy

BRAKES LOCKED UP DURING TAXI.  MAINTENANCE REPLACED CHECK VALVE AT LEFT BRAKE CONTROL VALVE, OPERATIONAL CHECK NORMAL.

---
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.