# SDR HALA0401045

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 1, 2004
- Submitted: December 7, 2004
- Operation: Air carrier
- Aircraft: N587HA
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 33421
- Aircraft time: 7,643 hours, 1,509 cycles
- Engine: Pwa PW4060
- System (JASC): [2997 · Hydraulic Power System Wiring](https://openairdocs.org/jasc/2997)
- Part: Relay
- Condition: Burned
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA0401045

## Discrepancy

APPROX HALF WAY THROUGH FLIGHT, ELECTRICAL BURNING SMELL APPEARED IN COCKPIT.  AS A PRECAUTION TURNED C-1 HYD PUMP.  SMELLED DISAPATED.  FOUND RELAY M303 LEAKING EXTERNALLY.  TIME DELAY FOR CI PUMP.  NO STOCK HNL, AOC FOR CCN-2903041.  348 TO MOC. RM5273.  REPLACED ECCR IAE AMM 29-11-14.  OPS CHECK OK NO BURNING SMELL NOTED.  REMOVED AND REPLACED RELAY M303.  OPS CHECK OK IAW FIM 29-11-00-1.

---
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.