# SDR USAASB98248

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N586US](https://openairdocs.org/aircraft/N586US), registered now
- Make and model: Boeing 737301
- Aircraft serial: 23931
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131ALP
- Condition: Discharged
- Location: Cabin
- Stage of operation: IN
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAASB98248

## Discrepancy

ROC - MAINTENANCE FOUND SEVERAL EMERGENCY LIGHTS HAD FAILED AFTER 30 SECONDS OF OPERATION.  MAINTENANCE REMOVED AND REPLACED DISCHARGED BATTERY PACKS IN POWER SUPPLIES M1133 AND M1137.  OPERATIONAL CHECK.  (M)

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