# SDR DLM90050342

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 2005
- Submitted: July 20, 2005
- Operation: Air carrier
- Aircraft: N906DA
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53386
- Aircraft time: 28,613 hours, 14,958 cycles
- System (JASC): [2400 · Electrical Power System](https://openairdocs.org/jasc/2400)
- Part: Control Unit
- Part number: 34B1353
- Part serial: 103
- Condition: Inoperative
- Location: E/E Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: H
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLM90050342

## Discrepancy

MOMENTARY POWER INTERRUPTION INFLT. EMERGENCY LTS FLICKER. INSTS FLICKER. HAPPENED IMMEDIATELY AFTER T/O AND TWO MORE TIMES IN CLIMBOUT.  APU STARTED AS PRECAUTION.  NO EPCU FAULTS, VSCF FANS TEST OK.  REPLACED EPCU PER MM, NEEDS FUNCTIONAL TEST TASK 24-21-03-720-801.  C/W FUNCTIONAL CHECK OF EPCU/ELECT SYSTEM PER M/M, ALL INDICATION AND OPERATION NORMAL.

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