# SDR USAAF96107

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N887US
- Make and model: Fokker F.28 MK 0100
- Registry model: [Fokker F.28 MK 0100](https://openairdocs.org/model/fokker-f-28-mk-0100) (OpenAirDocs)
- Aircraft serial: 11349
- System (JASC): [2460 · DC Power Distribution System](https://openairdocs.org/jasc/2460)
- Part: Diode
- Part number: 41HF60
- Condition: Overheated
- Location: Dc Bus
- Stage of operation: AP
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAAF96107

## Discrepancy

FLT 1206 - RDU-PIT, AT 50S OF PIT, CRWE GOT 'EMERGENCY DC BUS FAILED' ON MFDU.  COMMUNICATINOS WERE LOST WITH ZOB AND PIT APPROACH.  AIRCRAFT SHED SOME ELECTRICAL LOAD AND COMMUNICATION WAS RE-ESTABLISHED.  AN EMERGENCY WAS DECLARED AND FLIGHT LANDED WITHOUT INCIDENT.  MAINTENANCE FOUND GROUND HANDLING DC BUS BLOCKING DIODE CR3 OVERHEATED.  REPLACED CR3.  OPERATIONAL CHECKED GOOD.  (M)

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