SDR ASAA2022032337814

Service difficulty report · Power Supply · Boeing 737990ER

Difficulty date: March 23, 2022
Submitted: March 31, 2022
Operation: Air carrier
Aircraft: N413AS
Make and model: Boeing 737990ER
Aircraft serial: 35205
Aircraft time: 33,605 hours, 10,697 cycles
Engine: Ge CFM567B24
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Part number: D71702001
Condition: Inoperative
Location: Mid Cabin Ceilin
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

EMERGENCY LIGHTS COMMON TO POWER SUPPLIES M2626 AND M2627 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED M2626 POWER SUPPLY IAW B737-900 AMM 33-51-06-960-806. OPS CHECK GOOD FOR M2626 AND M2627 POWER SUPPLY IAW B737 AMM 35-51-06-960-806 STEPS 5.E.(5).