# SDR CALA2026012013107

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2026
- Submitted: January 20, 2026
- Operation: Air carrier
- Aircraft: [N663UA](https://openairdocs.org/aircraft/N663UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27160
- Aircraft time: 125,914 hours, 19,226 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Part number: BR964411
- Condition: Inoperative
- 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/CALA2026012013107

## Discrepancy

FOUND PATHWAY LIGHT ON SIDE OF SEAT 39D INOP. FOUND 39F LIGHT INOP AS WELL. REPLACED BOTH PATHWAY LIGHTS AT SEATS 39D AND 39F. STILL NOT WORKING. REFERENCE CMM 25-23-52.  DISCONNECTED BOTH PATHWAY LIGHTS AT 39 D&F. MEASURED 6V AT BOTH CONNECTORS AND MEASURED GOOD CONTINUITY TO GND AT BOTH CONNECTORS. RECONNECTED BOTH PATHWAY LIGHTS AT 39D&F. LIGHTS OPS CHECKED GOOD. REF WDM 33-51-15. PG2C SHEET 3. NAT DRAWING N0649-D73.

---
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.