# SDR MALA040704

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 28, 2004
- Submitted: November 23, 2004
- Operation: Air carrier
- Aircraft: N420XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B420
- Aircraft time: 17,516 hours, 19,278 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 330151
- Part serial: 2136
- 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/MALA040704

## Discrepancy

DURING CAPACITY INSPECTION IN MSP, EMERGENCY POWER SUPPLY P/N 3301-51, S/N 2136 REMOVED FOR SCHEDULED CAPACITY CHECK, CAPACITY CHECK FAILED.  MAINTENANCE REPLACED BATTERY ASSEMBLY P/N 3301-31 & UNIT PASSES CMM CHECKS.  RETURNED TO SERVICE 10/28/04.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.