# SDR JJBA2010331033

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2010
- Submitted: July 26, 2010
- Operation: Air carrier
- Aircraft: [N363PH](https://openairdocs.org/aircraft/N363PH), registered now
- Make and model: Dhav DHC8202
- Aircraft serial: 520
- Aircraft time: 23,786 hours, 32,360 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Relay
- Part number: XD4N
- Condition: Faulty
- Location: Emergency Light
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/JJBA2010331033

## Discrepancy

ACFT EMERGENCY LIGHTING SYS ILLUMINATED A COUPLE OF TIMES DURING TAKEOFF.  ACFT RETURNED TO FIELD.  MX REVEALED THAT RELAYS 3351-K4 & 3351-K3 WERE AT FAULT.  RELAYS WERE R & R, OPERATION OF EMERGENCY LIGHTING SYS TESTED SATISFACTORY.  ACFT WAS RELEASED AND RETURNED TO SERVICE.

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