# SDR ASAA2021092336081

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2021
- Submitted: September 27, 2021
- Operation: Air carrier
- Aircraft: [N274AK](https://openairdocs.org/aircraft/N274AK), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 61555
- Aircraft time: 14,883 hours, 4,866 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021092336081

## Discrepancy

C/B A9 ON P6-11 "CABIN EMERGENCY LTS" FOUND OUT. GROUNDED - YES. CONFIRMED. RESET C/B REF B737-900 AMM 20-60-01 AND B737-900 WDM 33-51-11-4. C/B REMAINS SET. EMERGENCY EXIT LT SYS OPS NML REF AMM 33-51-00. CONFIRMED EMERGENCY LTS OPS NML USING AFT F/A TOUCH PANEL BUTTON.

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