# SDR CALA2019012500148

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2019
- Submitted: January 25, 2019
- Operation: Air carrier
- Aircraft: [N768UA](https://openairdocs.org/aircraft/N768UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26919
- Aircraft time: 92,605 hours, 16,702 cycles
- System (JASC): [2822 · Fuel Boost Pump](https://openairdocs.org/jasc/2822)
- Part: Impeller
- Part number: 568129115002
- Condition: Failed
- Location: Fuel Pump
- 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/CALA2019012500148

## Discrepancy

FUEL PUMP R AFT EICAS STATUS MSG. COMPLIED WITH REQUIREMENTS PER AMM 28-22-05-400-801 STEPS 15 THRU 18. RPL R AFT BOOST PUMP MOTOR IMPELLER PER AMM 28-22-05-000-801 AND AMM28-22-05-400-801. OPERATED PUMP OP CHKED NORMAL, NO STATUS MESSAGE. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1262019  SN OFF 0440. C/W CDCCL REQUIREMENTS FOR BONDING JUMPER INSTALL AND SECURITY AND SEALANT AND RESISTANCE CKS OK. IPC REFERENCE # 28-22-05-01  MOTOR, AY-MAIN OFF 27-2821-9-0001 0440 ON 25-2822-9-0009 2276. PRECAUTIONARY SWING SHIFT R&E REPLACED CB E27 ON THE 210 PANEL. RPL R AFT BOOST PUMP FUEL PRESSURE SWITCH PER AMM28-42-01-000-80 1 REMOVAL, AND 28-42-01-420-801 INSTALLED. OP CHK AND LEAK CHK 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.