Service difficulty report · Link Assy · Boeing 737990ER

Difficulty date
January 15, 2019
Submitted
January 16, 2019
Operation
Air carrier
Aircraft
N442AS
Make and model
Boeing 737990ER
Aircraft serial
43293
Aircraft time
20,613 hours, 6,808 cycles
Part
Link Assy
Part number
322U23382
Condition
Defective
Location
Start Valve
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

INLET AND FAN BLADES DETAILED INSP FOUND BOTH FWD & AFT TURNBUCKLE LINKS ON START VALVE VALVE HAVE BAD BEARINGS. GROUNDED - YES. REMOVED AND REPLACED FWD TURNBUCKLE AND REMOVED AFT TURNBUCKLE REF POWER PLANT BUILD UP MANUAL 71-00-02.