Service difficulty report · Battery · Boeing 777FS2

Difficulty date
November 30, 2023
Submitted
November 30, 2023
Operation
Air carrier
Aircraft
N863FD
Make and model
Boeing 777FS2
Aircraft serial
37734
Aircraft time
45,552 hours, 7,387 cycles
Part
Battery
Part number
D71702001
Condition
Failed
Location
Unknown
Stage of operation
UK
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 IN SUPERNUMERARY ILLUMINATED ON SHORT FINAL TO LANDING. STAYED ON FOR ABOUT 10 SECONDS. COMPLIED WITH OPERATIONAL CHECKS AND FUNCTIONAL CHECKS PER AMM 33-51-00-5. ALL TESTS PASSED AND OBSERVED THE A/C FOR 20 MINUTES WITH NO DEFFECTS NOTED. SUSPECT THE NEW BATTERIES THAT WERE INSTALLED JUST NEEDED SOME TIME TO COMPLETLY CHARGE. A/C IS OK FOR SERVICE.

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