# SDR DALA2022041902671

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2022
- Submitted: April 19, 2022
- Operation: Air carrier
- Aircraft: [N120DN](https://openairdocs.org/aircraft/N120DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 10185
- Aircraft time: 2,706 hours, 1,345 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: None
- Condition: None
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2022041902671

## Discrepancy

UPON SERVICE CHECK, OPERATIONAL CHECK OF THE CABIN EMERGENCY LIGHTS, CIDS #1 FAULTED EMER LT/ EPSU(15WL) L MID. TROUBLESHOT PER TSM 33-51-00-810-880-A (321), PERFORMED OPERATIONAL CHECK OF THE EPSU BY BITE, TEST PASSED. OPS CHECK NML. A/C OK FOR SERVICE. (LP# 8505822)

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