Service difficulty report · Power Supply · Boeing 737890
FAA SDR system
- Difficulty date
- May 7, 2026
- Submitted
- May 12, 2026
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 41188
- Aircraft time
- 43,142 hours, 12,810 cycles
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Inoperative
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT HAND OVERWING EMERGENCY EXIT SIGNS ABOVE DOORS, FORWARD LEFT-HAND LOWER EXIT LIGHT AND FORWARD RIGHT-HAND LOWER EXIT LIGHT INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY POWER SUPPLY M1694 AND OPS CHECK GOOD IAW B737 AMM 33-51-06-960-806.