Service difficulty report · Battery · Emb EMB505

Difficulty date
July 20, 2023
Submitted
July 21, 2023
Operation
Air carrier
Aircraft
N417QS
Make and model
Emb EMB505
Aircraft serial
50500444
Aircraft time
5,205 hours, 4,159 cycles
Part
Battery
Part number
7450LS00
Part serial
006580
Condition
Failed
Location
Emergency Lights
Stage of operation
TX
How discovered
C
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

AFTER ENGINE START, EMER LT NOT ARMED CAS ILLUMINATED WITH SWITCH IN THE ARM OR ON POSITION. CABIN EMER LIGHTS REMAIN ON WITH SWITCH IN ON OR ARM POSTITON. CONDITION OCCURS WITH AIRCRAFT POWERED OR UNPOWERED. NO SUCCESS WITH RESET PROCEDURE. REPLACED #1 AND #2 EMERGENCY LIGHT BATTERIES WITH 'MODIFIED" UNITS IAW AMM 33-52-01/400. COMPLETED EMERGENCY LIGHTS OPERATIONAL TEST IAW AMM 33-52-00-710-801-A.

More about the Emb EMB-505