Service difficulty report · Fastener · Boeing 737990ER

Difficulty date
February 9, 2017
Submitted
March 7, 2017
Operation
Air carrier
Aircraft
N457AS
Make and model
Boeing 737990ER
Aircraft serial
36355
Aircraft time
11,967 hours, 3,949 cycles
Engine
Cfmint CFM567B27E
Part
Fastener
Condition
Pulled
Location
Nr 2 Inlet
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 A NR 2 ENGINE INLET AND FAN BLADE INSPECTION IAW T/C 78472000, FOUND THE NR 1 FAN DUCT PANEL WITH A FASTENER PULLED THRU. ACFT GROUNDED. REMOVED AND REPLACED THE DAMAGED KEY LOCK INSERT AT THE NR 2 ENGINE INLET, NR 1 FAN DUCT PANEL FASTENER LOCATION OUTBOARD AFT IAW SPM 70-42-13-350-014. INSTALLED FAN DUCT PANEL IAW AMM 72-23-07-400-801-F00.