Service difficulty report · Frame Splice · Boeing 7377H4

Difficulty date
April 10, 2020
Submitted
May 1, 2020
Operation
Air carrier
Aircraft
N475WN
Make and model
Boeing 7377H4
Aircraft serial
32474
Aircraft time
54,947 hours, 32,366 cycles
Part
Frame Splice
Condition
Corroded
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

CORROSION - AFT CARGO RT SIDEWALL BS 907 S24-R AT 2 PLACES AROUND FASTENER HOLES AS MARKED. [DOT 124-037] / REMOVED AND REPLACED CORRORED FRAME SPLICE AT STA 907 AND STRINGER 24 R/H AFT CARGO R/H SIDEWALL; MATERIAL USED 7075-0; .056' HEAT TREATED TO 7075 T6; PER REF DRAWING 147A9409 AND BAC 5602 AND SRM 51-40-02-0G-0

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