Service difficulty report · Fastener · Boeing 7377BD

Difficulty date
February 9, 2023
Submitted
March 6, 2023
Operation
Air carrier
Aircraft
N7746C
Make and model
Boeing 7377BD
Aircraft serial
33934
Aircraft time
50,644 hours, 26,573 cycles
Part
Fastener
Condition
Corroded
Location
Zn 100 Fus Lower
Stage of operation
IN
How discovered
9
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

CORROSION BILGE AREA FASTENER SHOP HEADS REPAIR AREA LOCATED BTW BS500A TO BS500B AND BTW STR28R TO STR28L AT FWD CARGO COMPARTMENT 2023-99371<[01] AFFECTED FASTENERS WERE REPLACED PER EA 23-153-00499. THE EA HAS BEEN ATTACHED TO FAULT TTG8Q00HN58R. SEE INDIVIDUAL SIGN OFF BELOW;[02] AFFECTED FASTENERS WERE REPLACED PER EA 23-153-00499. THE EA HAS BEEN ATTACHED TO FAULT TTG8Q00HN58R. SEE INDIVIDUAL SIGN OFF BELOW. RII

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