What was found
EMERGENCY LIGHT AT L1 AND L2 FAIL TEST ON T/C 78233001. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY W/ BATTERY ASSYS M1673 AND M1675 REF AMM 33-51-06, WDM 33-51-14 PG6, AND WDM 33-51-12 PG9. OPS NORMAL.
- Difficulty date
- February 9, 2025
- Submitted
- February 11, 2025
- Operation
- Air carrier
- Aircraft
- N292AK
- Make and model
- Boeing 737990ER
- Aircraft serial
- 64301
- Aircraft time
- 22,531 hours, 7,061 cycles
- Engine
- Cfmint CFM567B20
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- No Test
- 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.