Service difficulty report · Cooling Manifold · Boeing 747249F

Difficulty date
August 2, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N920FT
Make and model
Boeing 747249F
Aircraft serial
22237
Part
Cooling Manifold
Condition
Cracked
Location
Nr 3 Engine
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

NR 3 ENGINE - HPT COOLING MANIFOLD ABOVE AND AFT OF ENGINE BLEED AIR PRECOOLER 11 O'CLOCK POSITION, CRACKED. WELDED IAW MM 36-12-01, BAC 5975 USING 3475.5 TIG ROD.