Service difficulty report · Aspirator · Boeing 747122

Difficulty date
February 20, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N4728U
Make and model
Boeing 747122
Aircraft serial
19925
Engine
Pwa JT9D7A
Part
Aspirator
Part number
4A31211
Condition
Sheared
Location
Nr 5 Door Slide
Component
Bf Goodrich · 7A14391
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 TEST INFLATION OF DOOR 5 RT SLIDE, AT OVERHAUL ONE ASPIRATOR SHEARED IN TWO. SHEAR POINT IS LOCATED BELOW THE RETAINING BANDS WHICH HOLD THE ASPIRATOR IN PLACE. REPLACED ASPIRATOR, RETURNED DAMAGED ASPIRATOR TO OEM FOR ANALYSIS.