Service difficulty report · Bolt · Boeing 737890

Difficulty date
November 1, 2015
Submitted
November 3, 2015
Operation
Air carrier
Aircraft
N589AS
Make and model
Boeing 737890
Aircraft serial
35686
Aircraft time
30,534 hours, 9,306 cycles
Engine
Cfmint CFM567B27
Part
Bolt
Part number
AS323712
Condition
Missing
Location
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

WHILE ACCOMPLISHING T/C 78472000 ON NR 1 ENGINE, FOUND LOWER INBD BOLT MISSING ON THE OIL IN LINE TO THE FUEL HEATER SERVO. ACFT GROUNDED. HARDWARE FOUND ON TOP OF HMU. REINSTALLED WITH NEW GASKET REF AMM 73-11-07. PERFORMED LEAK TEST REF POWER PLANT TEST REF TABLE, TASK 71-00-00-800-811-F00. STEPS USED FOR GASKET REPLACEMENT AMM 73-11-07-400-801-F00, STEPS 5B, 1 & 2, 5C, 5E, 5F, 5J.