Service difficulty report · Doubler · Boeing 747212B

Difficulty date
April 21, 2000
Submitted
December 11, 2000
Operation
Air carrier
Aircraft
N428EV
Make and model
Boeing 747212B
Aircraft serial
20713
Part
Doubler
Condition
Oversized
Location
Fuselage
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

HAECO-HKG - S41 MOD AT ZONE 1 LT AND RT EXTERNAL DOUBLERS. FOUND PREVIOUSLY INSTALLED DOUBLERS WITH OVERSIZED FASTENER HOLES ( 2 EACH LEFT, 28 EACH RIGHT). DISCARDED OLD DOUBLERS, MOD DOUBLERS INSTALLED, PER BSB 53-2272R17 DWG 624W0003 SHTS 13E/13H, WITH LARGER FASTENERS. ADDITIONAL HOLES IN SKIN PLUGGED WITH RIVETS PER BOEING MESSAGE EVR-HKG-00-00024H/-00025H AND HAECO REPAIR SCHEME R-53-10-34317. (X)

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