SDR ASAA2024082051961

Service difficulty report · Power Supply · Boeing 737890

Difficulty date: August 20, 2024
Submitted: August 21, 2024
Operation: Air carrier
Aircraft: N553AS
Make and model: Boeing 737890
Aircraft serial: 34594
Aircraft time: 61,650 hours, 21,643 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Part number: D71702001
Condition: Inoperative
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.

What was found

TC 78233008 - EMERGENCY EXIT LTS INOP @ FWD RT DOORWAY, FWD RT ESCAPE SLIDE LT, & FWD CEILING LT. GROUNDED - YES. REPLACED M1674 EMERGENCY EXIT PWR SUPPLY & BATTERY PACK, FWD RT DOORWAY, FWD RT ESCAPE SLIDE, & FWD CEILING EMERGENCY EXIT LTS OPS CHECKS OK. REF AMM 33-51-06.