Service difficulty report · Control Panel · Emb EMB505

Difficulty date
June 30, 2025
Submitted
July 7, 2025
Operation
Air carrier
Aircraft
N330QS
Make and model
Emb EMB505
Aircraft serial
50500180
Aircraft time
10,004 hours, 7,949 cycles
Part
Control Panel
Part number
44140929002
Part serial
0478
Condition
Faulted
Location
Zone 200
Stage of operation
CL
How discovered
V
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DEPARTING KTYQ, RECEIVED AN EMER LT NOT ARM CAS MESSAGED AT 400FT EVEN THOUGH THEY WERE ARMED & NOTICED BOTH BATTERIES WERE YELLOW & DISCHARGING. DID NOT HAVE A BATT DISCHARGE CASS MESSAGE. PULLED UP THE ELECTRICAL SYNOPTIC AND IT APPEARED THAT IT WAS IN ELEC EMER MODE. VERIFIED ELEC EMER SWITCH NOT PRESSED IN. BOTH GENS WERE POWERING THE DC BUSSES BUT NOT CHARGING BATTERIES. ONCE ON GROUND WHEN WE SHUT THE EMER LTS OFF & THE SYS WENT INTO ELEC EMER MODE ON ITS OWN. PERFORMED AN OPS CHECK OF POWER UP SYS WITH NO DEFECTS NOTED, PERFORMED AN INSPECTION OF EMERG SYS WIRING WITH NO DEFECTS NOTED. ACCOMPLISHED CMC DOWNLOADS & SUBMITTED TO CONTACT CENTER & PERFORMED FIM TASK 24-61-00-810-813-A WITH NO DEFECTS NOTED AT THIS TIME. AFTER PERFORMING CVDR DOWNLOAD, FOUND ACFT HAD GONE INTO EMERG MODE WITH NOTHING BEING TOUCHED. ABLE TO GET ACFT OUT OF EMER MODE & SUBMITTED ANOTHER CMC DOWNLOAD TO MCC AND CONTACT CENTER. CONTACT CENTER SUGGESTED REPLACING THE ELECTRICAL CONTROL PANEL & BC2 CONTACTOR R & R ELECTRICAL CONTROL PANEL REF AMM 24-01-01 R & R BC2 CONTACTOR REF AMM 24-36-03. ORIGINAL SUBMISSION DATE: 7/3/2025.

More about the Emb EMB-505