Service difficulty report · Battery · Emb EMB505

Difficulty date
November 23, 2025
Submitted
November 26, 2025
Operation
Air carrier
Aircraft
N327QS
Make and model
Emb EMB505
Aircraft serial
50500170
Aircraft time
9,585 hours, 7,549 cycles
Part
Battery
Part number
7450LS00
Part serial
005353
Condition
Inoperative
Location
Zone 200
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

EMERGENCY LIGHTS FLICKERING CONSISTENTLY IN FLIGHT WITH EMER LIGHT SWITCH IN ARMED POSITION CORRECTIVE ACTION: REMOVED AND REPLACED #1 EMERGENCY LIGHT BATTERY PN: 7450LS-00 SN: 005353 WITH REPAIRED UNIT PN: 7450LS-00 SN: 006796. REMOVED AND REPLACED #2 EMERGENCY LIGHT BATTERY PN: 7450LS-00 SN: 005275 WITH REPAIRED UNIT PN: 7450LS-00 SN: 002755M. PERFORMED SATISFACTORY OPS CHECK. WORK PERFORMED IAW EMB PHENOM 300 AMM 33-52-01.

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