What was found
R1 DOOR EMERGENCY LIGHTS INTERMITTENTLY COME ON WITH SYSTEM IN OFF. GROUNDED - YES. REMOVED AND INSTALLED SERVICEABLE R-1 DOOR EMERG LIGHTS POWER SUPPLY S/N 341788, OPS CHECKS GOOD IAW B737-900 AMM 33-51-06-960-806.
- Difficulty date
- June 27, 2025
- Submitted
- July 2, 2025
- Operation
- Air carrier
- Aircraft
- N492AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44110
- Aircraft time
- 35,515 hours, 11,001 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Intermittent
- Location
- Zone 200
- 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.