Service difficulty report · Precooler · Boeing 747123

Difficulty date
October 25, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N858FT
Make and model
Boeing 747123
Aircraft serial
20109
Part
Precooler
Condition
Cracked
Location
Nr 1 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

CRACK ON NR 1 ENGINE PRECOOLER. WELDED CRACK PER BAC PROCESS 5975.