Service difficulty report · Tube · Boeing 747422

Difficulty date
August 26, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N194UA
Make and model
Boeing 747422
Aircraft serial
26892
Engine
Pwa PW4056
System (JASC)
2564 · Life Raft
Part
Tube
Part number
7A147913
Condition
Torn
Location
Slide/Raft
Part time
11,874 hours
Component
Bf Goodrich · 7A14805
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

SLIDE/RAFT (P/N 7A1479-13) (S/N G1863) FAILED FLAT FIRE INFLATION TEST. UPPER INFLATION TUBE RUPTURED AT THE TOP RT CORNER. THIS IS THE FIRST UAL SHOP VISIT FOR THIS UNIT. DATE OF MANUFACTURE WAS 4/96 AND LAST OVERHAUL BY VENDOR WAS 5/30/96. *S/D* PROBABLE CAUSE FOR THE FAILURE IS PACKING DAMAGE BETWEEN TUBE MATERIAL AND THE INFLATE/DEFLATE VALVE. SENT UNIT TO VENDOR FOR WARRANTY REPAIR.