# SDR FDEA202406170809

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2024
- Submitted: June 17, 2024
- Operation: Air carrier
- Aircraft: [N949FD](https://openairdocs.org/aircraft/N949FD), registered now
- Make and model: Boeing 757236
- Aircraft serial: 25060
- Aircraft time: 59,040 hours, 30,649 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 20131ASMI
- Part serial: 9021
- Condition: No Test
- Location: Emergency Lights
- Part time: 5,254 hours, 3,359 cycles
- 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/FDEA202406170809

## Discrepancy

DURING SERVICE CHECK FOUND CENTER EMERGENCY EXIT  LIGHT AND R/H EMERGENCY EXIT LIGHT WOULD NOT TEST.      PREMATURE REMOVAL/INSTALLATION  OFF  MPN: 2013-1ASMI  POS: 1  SRL: 9021  ON  MPN: 2013-1A  CPN: 3301128  SRL: 18133 TAG NBR: 7G8138  AMM: 33-51-07-2  REMOVED AND REPLACED FWD EMERGENCY POWER SUPPLY  BATTERY IAW ABOVE REF. OPS CHK SERVICEABLE. OK TO  CONTINUE.

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