SDR DJFA20130609001

Service difficulty report · Sensor · Cessna 750

Difficulty date: June 9, 2013
Submitted: June 14, 2013
Operation: Air carrier
Aircraft: N736FL
Make and model: Cessna 750
Aircraft serial: 7500039
Aircraft time: 8,196 hours, 4,908 cycles
Engine: Rroyce AE3007C1
System (JASC): 2432 · Battery/Charger System
Part: Sensor
Condition: False Indication
Location: Battery Temp
Stage of operation: CR
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

CREW EXPERIENCED A NR 2 BATTERY OVER TEMP, DECLARED AN EMERGENCY AND DIVERTED, DURING DECENT TO LAND, BATTERY TEMP CYCLED BETWEEN 50 DEGREES C AND 100 DEGREES C SEVERAL TIMES. MX PERFORMED INSPECTION CHECKS OF THE NR 2 BATTERY SYS, BENCH TESTED BATTERY AND ALL CHECKS WERE WITHIN LIMITS.

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