Service difficulty report · Channel · Boeing 7378H4

Difficulty date
March 21, 2023
Submitted
April 10, 2023
Operation
Air carrier
Aircraft
N8668A
Make and model
Boeing 7378H4
Aircraft serial
36903
Aircraft time
26,956 hours, 12,724 cycles
Part
Channel
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

FWD CARGO FLOOR STRUCTURE RT SIDE CHANNEL WITH UPPER SURFACE CORROSION AT SEVERAL SCREW HOLES BETWEEN BS 500 & 500D W/L 156.0. REMOVED LIGHT CORROSION, FOUND WITHIN LIMITS IAW SRM 53-00-53-1A-2. FOUND OUT OF LIMITS AT 500D IAW SRM 53-00-53-1A-2. TREATED AND PRIMED CHANNEL IAW 51-21-41-370-803 & 51-21-72-370-803. DRILLED NEW FWD CARGO RT SIDE SHIELD CHANNEL BETWEEN STA. 500 AND 500A IRW 51-40-05-0G-0; TREATED AND PRIMED HOLES IRW AMM 51-21-41-370-803 AND AMM 51-21-72-370-803 INSTALLED FWD CARGO RT SIDE SHIELD CHANNEL BETWEEN STA. 500 AND STA. 500A.IRW SORM 51-40-02.

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