# SDR 2008UALA06310

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2008
- Submitted: November 3, 2008
- Operation: Air carrier
- Aircraft: [N769UA](https://openairdocs.org/aircraft/N769UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26921
- Aircraft time: 53,233 hours, 10,008 cycles
- Engine: Pwa PW4077
- System (JASC): [2822 · Fuel Boost Pump](https://openairdocs.org/jasc/2822)
- Part: Pump
- Part number: 568129115004
- Condition: Failed
- Location: Fuel Boost
- Stage of operation: IN
- How discovered: O
- Nature of condition: W
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008UALA06310

## Discrepancy

FUEL PUMP R FWD RIGHT FORWARD (BOOST) FUEL PUMP SWITCH ON AND PUMP OUTPUT PRESSURE LOW.  STATUS MSG01- ACTIVE CLIMB MODE DEPENDENT; RELAY (R FWD FUEL BST PMP SWITCH) IN P110 IS NOT IN COMMANDED POSITION.  DB- ELMS P110 ELECTRONICS UNIT MSG-2811007 ACTIVE CL MODE.  FOUND FAULTY BOOST PUMP. REPLACED RIGHT FWD BOOST PUMP.  OP CHECKS 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.