# SDR IPXA2017041416115

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2017
- Submitted: April 14, 2017
- Operation: Air carrier
- Aircraft: [N257UP](https://openairdocs.org/aircraft/N257UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48451
- Aircraft time: 71,400 hours, 14,269 cycles
- System (JASC): [2400 · Electrical Power System](https://openairdocs.org/jasc/2400)
- Part: Buss
- Condition: Failed
- Location: Rt Emergency
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2017041416115

## Discrepancy

RIGHT EMERGENCY BUSS FAILED.  PERFORMED FIM 24-25-01-00. REPLACED THE SENSE RELAY R2-5157 IAW WDM 24-61-51. REPLACED RT EMERGENCY AC FEED RCCB B1-138 IAW MM24-50-01. REPLACED EPCU IAW MM 24-08-01. PERFORMED EPCU RTS TEST IAW MM 24-08-01 TEST PASSED. PERFORMED ENG RUN IAW MM: 71-00-00 USED 700 LBS. CGN4037 ZWEBE. ALL SATIS NO FAULTS.

---
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.