# SDR CALA2014041400464

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2014
- Submitted: April 14, 2014
- Operation: Air carrier
- Aircraft: [N24211](https://openairdocs.org/aircraft/N24211), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28771
- Aircraft time: 50,970 hours, 17,924 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Relay
- Part number: KDAGX4F001
- Condition: Failed
- Location: Fuel System
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2014041400464

## Discrepancy

CENTER FUEL PUMPS INOPERATIVE.  TROUBLE SHOT IAW FIM 28-22-00-810-822.  LT PUMP HAD CODE 32 & RT PUMP HAD CODE 33 ON UFI.  OVERCURRENT ON ONE PHASE.  PERFORMED WIRING CHECKS IAW FIG 112 BLOCKS 80 - 82, ALL CHECKED GOOD.  R & R RELAYS R54 & 55 ON THE UFI ASSEMBLIES, OPERATIONS CHECKED GOOD.  RAN ENG SWITCHED POWER, ALL CHECKED GOOD.  ACFT IS RETURNED TO SERVICE.

---
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.