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-492 TO STA-500A (MARKED) / [01] BLENDED THE CORROSION PER SRM 51-10-02 AND THE REMAINING THICKNESS IS LESS THAN THE ALLOWABLE LIMITS PER SRM 53-00-53-1A-2.;[02] BLENDED THE CORROSION PER SRM 51-10-02 AND THE REMAINING THICKNESS IS LESS THAN THE ALLOWABLE LIMITS PER SRM 53-00-53-1A-2.;[03] REMOVED RH TRANSITION ANGLE (MPN 143A8126-37) I.A.W SRM 51-40-02.;[04] LOCATED HOLES ON NEW R/H TRANSITION ANGLE P/N 143A8126Y38 PER SRM 51-40-02.;[05] C/W

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