# SDR DALA2026031501777

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2026
- Submitted: March 15, 2026
- Operation: Air carrier
- Aircraft: [N516DA](https://openairdocs.org/aircraft/N516DA), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11004
- Aircraft time: 14,341 hours, 3,499 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Elec Connector
- Condition: Misinstalled
- Location: Zone 200
- 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/DALA2026031501777

## Discrepancy

ON SVC CHK FOUND CEILING PATH EMER LIGHTS 225WL300, 225WL355, 225WL590, 225WL640 INOP.   FOUND ALL LIGHTS EITHER DISCONNECTED OR CONNECTED BACKWARDS. RECONNECTED AND SWAPPED CONNECTIONS FOR ALL 4 LIGHTS REF. A321 AMM 33-51. OPS CHKS GOOD. (LP 8168899)

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