SDR TWRA96347

Service difficulty report · High Lock Bolts · Boeing 747212B

Difficulty date
October 28, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N620FF
Make and model
Boeing 747212B
Aircraft serial
21162
Part
High Lock Bolts
Part number
6883314
Condition
Sheard Off
Location
Nr 4 Pylon
Stage of operation
IN
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

DURING 'B' SERVICE AT JFK, MX FOUND FOUR HIGH LOCKS BOLT HEADS SHEARED OFF AT NR 4 PYLON UPPER CLEVIS AFT INBOARD SIDE. REMOVED FASTENER. PERFORMED HIGH FREQ EDDY CURRENT INSPECTION AND BOROSCOPED HOLE. FOUND NO CORROSION OR CRACKS. PRIMED FASTENER HOLE AND INSTALLED NEW FASTENER PER SRM 51-30-02. EA 54-073 AND SB 54-2118. A/C RETURN TO SERVICE. (M)

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