# SDR AALA201802219051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2018
- Submitted: February 22, 2018
- Operation: Air carrier
- Aircraft: N7528A
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49920
- Aircraft time: 77,534 hours, 41,284 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Control Module
- Condition: Inoperative
- Location: Cabin
- 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/AALA201802219051

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: EMERGENCY SIGN AT FLOOR OF SEATS 21A (SEE AALA20180220001) AND 21F WERE INOPERABLE. MAINTENANCE REPLACED AB5-2 CONTROL MODULE PER MM 33-60-98 AND PERFORMED SATISFACTORY OPERATIONAL CHECKS.

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