Service difficulty report · Monitor · Boeing 747422

Difficulty date
December 3, 2011
Submitted
December 5, 2011
Operation
Air carrier
Aircraft
N178UA
Make and model
Boeing 747422
Aircraft serial
24385
Aircraft time
88,756 hours, 10,758 cycles
Engine
Pwa PW4056
Part
Monitor
Part number
RDFW785451
Part serial
D502369
Condition
Overheated
Location
Cabin
Stage of operation
IN
How discovered
O
Nature of condition
B
Precautionary procedure
O

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

What was found

SEAT 2A VIDEO INOP AND APPEARS TO HAVE OVERHEATED, VISIBLE SMOKE FROM MONITOR. CREW SELECTED SEAT POWER OFF AND SMOKE CLEARED. SAMC TEXT: NEED MAINT TO ACP INSPECTION OF SEAT 2A ELECTRICAL COMPONENTS. ISOLATE SOURCE OF SMOKE, ENSURE ADDITIONAL DAMAGE HAS NOT BEEN CAUSED TO THE SEAT-WIRING-IFE COMPONENTS AS A RESULT. REMOVED AND REPLACED 2A MONITOR PER AMM. P/N ON AND OFF RD-FW7854-51, S/N ON D755509, S/N OFF D502369. MONITOR OPS CHECK NORMAL.