Service difficulty report · Transition Panel · Boeing 7378H4

Difficulty date
June 29, 2022
Submitted
July 29, 2022
Operation
Air carrier
Aircraft
N8637A
Make and model
Boeing 7378H4
Aircraft serial
42523
Aircraft time
27,735 hours, 12,745 cycles
Part
Transition Panel
Condition
Corroded
Location
Fwd Cargo
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

FORWARD CARGO COMPARTMENT RH TRANSITION ANGLE HAS CORROSION IN AND AROUND FASTENER HOLES STA-500A TO STA-500F+10 (MARKED) / [01] BLENDED THE ANGLE TO REMOVE THE CORROSION. STRUCTURAL THICKNESS IS OUT OF LIMITS PER SRM 53-00-53-1A-2.;[02] INSPECTED AS REQUIRED. CORRECTIVE ACTION #1;[03] REMOVED R/H TRANSITION ANGLE FROM STA 500A-500I I.A.W SRM 51-40-02.;[04] INSTALLED NEW TRANSITION ANGLE IN FWD PIT FROM STA 500A TO STA 500I IAW SRM 51-40-02.

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