Service difficulty report · Battery Pack · Boeing 757204

Difficulty date
November 9, 2019
Submitted
November 11, 2019
Operation
Air carrier
Aircraft
N925FD
Make and model
Boeing 757204
Aircraft serial
27238
Aircraft time
61,828 hours, 25,187 cycles
Part
Battery Pack
Part number
20131A
Part serial
72660
Condition
Failed
Location
Emergency Lights
Part time
1,325 hours, 965 cycles
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

MDIS 925 33-50 8137 09NOV19 DAY FACT U L1 DOOR AND LEFT SLIDE LIGHT INOP R/I 09NOV19 02:04 DAY U REASON CODE : PREMATURE REMOVAL/INSTALLATION OFF MPN: 2013-1A POS: 1 SRL: 72660 TAG NBR: H73336 ON MPN: 2013-1A CPN: 3301128 SRL: 72679 TAG NBR: 01E244 FACT 09NOV19 02:04 DAY U REPLACED BATTERY PACK ( P/N 2013-1A S/N 72660 MFG DERLAN INC.) AND TESTED OK IAW AMM: 33-51-07-2, FACT 09NOV19 02:04 DAY U REPLACED BATTERY PACK ( P/N 2013-1A S/N 72660 MFG DERLAN INC.) AND TESTED OK IAW AMM: 33-51-07-2,