Service difficulty report · Bolt · Boeing 737800*

Difficulty date
July 4, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Boeing 737800*
Aircraft time
22,763 hours
Engine
Cfmint CFM567B263
Part
Bolt
Condition
Loose
Location
Wheel
Component
Main Wheel
Component part number
C20626200
Stage of operation
IN
How discovered
9
Nature of condition
W
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) NR 2 MAIN WHEEL FOUND WITH FLAT TIRE AFTER FIVE FLIGHT CYCLES FROM INSTALLATION SINCE LAST SOP VISIT (O/H). INSPECTION REVEALED THAT THE BOLTS NR 9 AND 15 WERE FOUND WITH 2-3 THREADS VISIBLE ABOVE THE TOP OF THE NUT - BOLT NR 3 SHARED (IRREGULAR) STARTING AT THE SECOND THREAD . ALL OTHER BOLTS FOUND WITH LOOSEN NUTS. ALL 18 NUTS WERE ACCEPTED AT TORQUE CHECK, SAME RESULT IS RECORDED AT THE PREVIOUS SHOP VISIT. THERE IS NO EVIDENCE OF REPLACING ANY TIE BOLT NUT IN THE LAST TWO SHOP VISIT FOR THIS MAIN WHEEL.

More about the Boeing 737-800