# SDR FDEA201606081874

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 2016
- Submitted: June 8, 2016
- Operation: Air carrier
- Aircraft: [N973FD](https://openairdocs.org/aircraft/N973FD), registered now
- Make and model: Boeing 757-2Y0
- Registry model: [Boeing 757-2Y0](https://openairdocs.org/model/boeing-757-2y0) (OpenAirDocs)
- Aircraft serial: 26151
- Aircraft time: 48,580 hours, 21,170 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: BPS73
- Condition: Inoperative
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201606081874

## Discrepancy

RIGHT EXTERIOR EMERGENCY BATTERY POWERED LIGHT INOPERATIVE.  POWER SUPPLY, PN BPS7-3, BATTERY, PN 2013-1A, MEL.  RELEASED FOR SERVICE IAW MEL: 33-51-02-02.  MEL 33-51-02-02: EXTERIOR EMERGENCY LIGHTING SYSTEM, INOPERATIVE.  BATTERY NO HELP, SUSPECT POWER SUPPLY.  REF NR FOR ASSOCIATED INTERIOR INOPERATIVE LIGHT.  IDENTIFIED PARTS, MPN: BPS7-3, CPN: 3312001, QTY: 1.  T/S TO FAULTY POWER SUPPLY, REF: MM 3-51-07-2. DELETED PARTS,  MPN: BPS7-3, CPN: 3312001, QTY: 1.  IDENTIFIED PARTS  MPN: 2012-1, CPN: 3311913, QTY: 1 PART. IDENTIFIED PARTS, MPN: 2013-1, CPN: 3301128,  QTY: 1.

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