# SDR USAASB98083

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N442US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24841
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: AD20131A
- 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/USAASB98083

## Discrepancy

ALB - MAINTENANCE FOUND THE FOLLOWING EMERGENCY LIGHTS THROUGHOUT THE CABIN INOP, ROW 1 AND 2 SEAT MOUNTED EVACUATION LIGHTS, FORWARD ENTRY CEILING EXIT SIGN, ROW 2 LEFT AND ROW 4 RIGHT BULLNOSE LIGHTS, AFT ENTRY AND AFT SERVICE DOOR EXIT SIGNS, AFT PASSENGER DOOR SIDEWALL AND BULLNOSE EXIT SIGNS, ROWS 20 THROUGH 23 SEAT MOUNTED EVACUATION LIGHTS AND ROW 25 RIGHT BULLNOSE LIGHTS.  MAINTENANCE REMOVED AND REPLACED THE BATTERY PACKS IN THE FORWARD AND AFT ENTRY CEILINGS, LEFT SIDE.  OPS CHECK GOOD.  (M)

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.
