Service difficulty report · Light · Boeing 747422

Difficulty date
May 12, 2017
Submitted
May 12, 2017
Operation
Air carrier
Aircraft
N178UA
Make and model
Boeing 747422
Aircraft serial
24385
Aircraft time
107,253 hours, 12,585 cycles
Part
Light
Part number
78671
Condition
Missing
Location
Seat 20 Ac
Stage of operation
IN
How discovered
V
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

DURING AN OPERATIONAL TEST, FOUND SEAT 20AC EMERGENCY LIGHT ASSY MISSING. REPLACED AND OPS TESTED GOOD IAW CMM 25-24-65, REV 5, AND AMM 33-51-12-712-009, REV 87.