# SDR UALA2009060901639

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 9, 2009
- Submitted: June 10, 2009
- Operation: Air carrier
- Aircraft: [N788UA](https://openairdocs.org/aircraft/N788UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26942
- Aircraft time: 53,132 hours, 7,809 cycles
- Engine: Pwa PW40903
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Pressure Switch
- Part number: 51U711
- Condition: Malfunctioned
- Location: Fuel System
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: J, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009060901639

## Discrepancy

LT ENG FUEL PUMP FILTER MSG.  RTFL.  REPLACED FUEL PUMP FILTER PRECAUTIONARY AND REPLACED FUEL PUMP DIFFERENTIAL PRESSURE SWITCH.  RAN ENGINE AND VERIFIED NO MESSAGE OR LEAKS.  OLD FUEL FILTER NO CONTAMINATION, REPLACED PRECAUTIONARY.

---
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.