SDR EIAA9696

Service difficulty report · Duct · Boeing 747273C

Difficulty date
December 11, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N471EV
Make and model
Boeing 747273C
Aircraft serial
20651
Part
Duct
Part number
65B901821
Condition
Cracked
Location
Nr 1 Pylon
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 SERVICE CHECK INSPECTION, FOUND NR 1 PYLON ANTI-ICE DUCT SPLIT OPEN NEAR PICKUP FOR DUCT OVERPRESSURE SWITCH. REPLACED DUCT ASSEMBLY. (M)