# SDR MALA040947

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2004
- Submitted: February 9, 2005
- Operation: Air carrier
- Aircraft: N365PX
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B265
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Relay
- Part number: 6113211
- Part serial: 18522
- Condition: Inoperative
- Location: Emergnecy Light
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA040947

## Discrepancy

BATTERY POWER SUPPLY P/N 61-1321-1, S/N OFF 18522 REPORTED TO NEED BENCH CHECK.  MAINTENANCE FOUND WHITE ARM SWITCH ON LIGHT DOES NOT LIGHT.  MAINTENANCE REPLACED C4, C5, Q1, Q5 AND SCR1.  UNIT PASSES CMM CHECKS.  A/C RETURNED TO SERVICE 1/21/04.

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