Service difficulty report · Valve Flange · Boeing 747422

Difficulty date
January 29, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N179UA
Make and model
Boeing 747422
Aircraft serial
25158
Engine
Pwa PW4056
Part
Valve Flange
Part number
3A34991
Condition
Cracked
Location
Escape Slide
Component
Bfgoodrich · 7A14793
Stage of operation
IN
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 SLIDE OVERHAUL, FOUND RIGHT HAND INFLATE/DEFLATE RUBBER MOUNTING FLANGE CRACKED. PROBABLE CAUSE WAS BENDING OF THE VALVE DURING SLIDE PACKING. REPLACED RUBBER INFLATE/DEFLATE VALVE FLANGE.