Service difficulty report · Insulation · Boeing 747422

Difficulty date
August 13, 2001
Submitted
September 5, 2001
Operation
Air carrier
Aircraft
N184UA
Make and model
Boeing 747422
Aircraft serial
25380
Aircraft time
44,514 hours, 5,323 cycles
Engine
Pwa PW4056
Part
Insulation
Condition
Contaminated
Location
Cabin
Stage of operation
DE
How discovered
O
Nature of condition
B, H
Precautionary procedure
K

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

What was found

BURNING GARBAGE SMELL DURING DESCENT. ALL ELECTRICAL POWER LOST TO FIRST CLASS SEATS. SUPPLEMENTAL DATA UPDATE LAXMM FOUND NO ELECTRICAL SMELL, OPS CHECKED VIDEO SYSTEM FOR 6 HRS. POWERED ALL SEATS ALL DAY, ALL SEATS OPERATE NORMAL. CHECKED ALL SYSTEM C-B'S, CHECKED ALL CONNECTORS ON VIDEO BUFFER BOX, REPLACED VIDEO BUFFER BOX AND SYSTEM CONTROL UNIT PRECAUTIONARY. POSSIBLE CAUSE: STRONG SMELL FROM INSIDE THE FWD CARGO COMPARTMENT, BENEATH THE FLOOR PANELS EXTREMELY DIRTY. CONTAMINATED INSULATION BLANKET UNDER FLOOR AT STA. 900-920.CLEANED AND DEODORIZED FWD. CARGO COMP'T. AREA.