Service difficulty report · Turnbuckle · Boeing 737990ER

Difficulty date
March 30, 2020
Submitted
March 31, 2020
Operation
Air carrier
Aircraft
N423AS
Make and model
Boeing 737990ER
Aircraft serial
35206
Aircraft time
27,467 hours, 8,812 cycles
Part
Turnbuckle
Part number
MS21251B5S
Condition
Worn
Location
Nr 2 Engine
Stage of operation
IN
How discovered
O
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

REF T/C 78472000 #2 ENG INLET AND FAN BLADE- DETAILED INSP. FOUND BOTH TAI VALVE FWD MOUNT TURNBUCKLES UPPER ROD ENDS BEARINGS WORN OUT. (M) ON FWD TAI VALVE DUCT. GROUNDED - YES. REPLACED #2 ENG TAI VALVE TURNBUCKLES REF B737-900 AMM 30-21-11.