Service difficulty report · Power Supply · Emb EMB505

Difficulty date
August 17, 2021
Submitted
August 20, 2021
Operation
Air carrier
Aircraft
N390QS
Make and model
Emb EMB505
Aircraft serial
50500328
Aircraft time
4,414 hours, 3,517 cycles
Part
Power Supply
Part number
6450LS00
Part serial
000888
Condition
Defective
Location
Emergency Lights
Stage of operation
CR
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

CABIN EMERG LIGHT: IN CRUISE AT FL430 CABIN EMER LIGHTS FLICKERING ON AND OFF. CONTINUED THROUGH FLIGHT. GAINED ACCESS BY REMOVING CO-PILOTS SEAT AND CENTER FLOORBOARDS AFT OF PEDISTAL. REMOVED 3 EA VERTICAL PANELS IN AFT LAV. REMOVED THE FOLLOWING POWER SUPPLIES 1. FWD POWER SUPPLY P/N 6450LS S/N 001442 2. AFT POWERSUPPLY P/N 6450LS-00 S/N 000888 AND INSTALLED NEW POWER SUPPLIES. 1 FWD POWERSUPPLY P/N 6450LS-00 S/N 006611 2. AFT POWER SUPPLY P/N 6450LS-00 S/N 005509 AND INSTALLED ALL REMOVED ITEMS ALL WORK DONE I/A/W PHENOM 300 MM 33-52-00-710-801, 33-52-01-00-801, 33-52-00-400-801 OPS CHECK GOOD

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