Service difficulty report · Power Supply · Boeing 737990ER
FAA SDR system
- Difficulty date
- February 22, 2024
- Submitted
- February 26, 2024
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41189
- Aircraft time
- 41,589 hours, 13,189 cycles
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Malfunctioned
- Location
- Emergency Lights
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY EXIT LIGHTS OVERWING EXIT ROW ARE CYCLING ON AND OFF. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY M1694 IAW AMM 33-51-06-960-806. OPS CKS GOOD. ALTERNATE DEACTIVATION PROCEDURES APPLIED AND REVERSED IAW MPM 5-07-01 TABLE 3 ITEM 1.