What was found
**SDR FILED OPEN**EMERGENCY LIGHTING SYSTEM WILL NOT TEST R/R PUSH TO TEST SWITCH S1-402 PER WDM 33-51-01-4 PG 4 OPS CHECKS GOOD
- Difficulty date
- January 20, 2024
- Submitted
- January 22, 2024
- Operation
- Air carrier
- Aircraft
- N273UP
- Make and model
- Doug MD11F
- Aircraft serial
- 48574
- Aircraft time
- 74,472 hours, 16,234 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Switch
- Part number
- UNKNOWN
- Condition
- No Test
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.