Service difficulty report · Precooler · Boeing 7673JHF

Difficulty date
August 6, 2021
Submitted
August 10, 2021
Operation
Air carrier
Aircraft
N644GT
Make and model
Boeing 7673JHF
Aircraft serial
37810
Aircraft time
21,944 hours, 5,274 cycles
Engine
Ge CF680C2B7F
Part
Precooler
Part number
7929305
Part serial
9803248
Condition
Damaged
Location
Nr 2 Engine
Stage of operation
IN
How discovered
V
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

BROKEN - FOUND #2 ENG PRECOOLER RH FINS BROKEN(<P>IAW AMM 36-11-15-004-003-001 REV 132 REMOVED AND #2 ENG PRECOOLER. IAW AMM 36-11-15-404-020-001 REV 132 REV 132 INSTALL PRECOOLER AT #2 ENG WITH NEW PARTS. IAW AMM 36-11-15-404-020-001 REV 132 ACCOMPLISHED THE #2 ENG PRECOOLER POST-INSTALLATION LEAK TEST RESULT. CONDITION CHECK NORMAL AND NO LEAK FOUND</P>)

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