# SDR CALA2012092100623

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2012
- Submitted: September 21, 2012
- Operation: Air carrier
- Aircraft: [N34137](https://openairdocs.org/aircraft/N34137), registered now
- Make and model: Boeing 757224
- Aircraft serial: 30229
- Aircraft time: 48,895 hours, 13,023 cycles
- Engine: Rroyce RB211535E4
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: BPS73
- Condition: Inoperative
- Location: Emergency Light
- 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/CALA2012092100623

## Discrepancy

EMERGENCY LIGHT ROW 30 TO ROW 40 INOPERATIVE.  CHANGED ATA 3300 TO 3350.  REPLACED POWER SUPPLY AND BATTERY IAW MM 33-51-04.  SYS CK OK IAW MM 33-51-04.

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