Service difficulty report · Battery · Boeing 767323

Difficulty date
May 16, 2017
Submitted
May 18, 2017
Operation
Air carrier
Aircraft
N391AA
Make and model
Boeing 767323
Aircraft serial
27451
Aircraft time
88,461 hours, 14,166 cycles
Part
Battery
Part number
20131
Part serial
AA99
Condition
Discharged
Location
Evac Slide
Part time
9,880 hours, 1,684 cycles
Stage of operation
TX
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

AIRCRAFT WAS GROUNDED. DURING PREFLIGHT, OVERWING SLIDE SQUIBS FAILED TEST. REMOVED AND REPLACED LEFT OFF-WING ESCAPE SYSTEM EMERGENCY BATTERY M961 IAW AMM 25-65-17. OPERATIONAL CHECK GOOD.