Service difficulty report · Transition Panel · Boeing 7378H4

Difficulty date
July 8, 2022
Submitted
July 29, 2022
Operation
Air carrier
Aircraft
N8699A
Make and model
Boeing 7378H4
Aircraft serial
36923
Aircraft time
19,988 hours, 9,397 cycles
Part
Transition Panel
Condition
Corroded
Location
Aft 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

AFT CARGO L/H TRANSITION ANGLE HAS HEAVY CORROSION BETWEEN STA 727C THRU STA 847. (MARKED) / [01] AFT CARGO COMPARTMENT LT ZEE SIDEPLATE CHANNEL ASSEMBLY BETWEEN STA 727G+10 TO STA 807+10; LBL 21; FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2.;[02] AFT CARGO COMPARTMENT LT ZEE SIDEPLATE CHANNEL ASSEMBLY BETWEEN STA 727C TO STA 727G +10; LBL 21 AND ALSO BETWEEN STA 807 +10 TO STA 847; LBL 21 FOUND TO BE WITHIN ALLOWABLE LIMITS IAW SRM 53-00-53-1A-2.;[03] VERIFIED 2. JOHN PRAMUK (TECHNICIAN); 09-JUL-2022 13:55 UTC <BR>AFT CARGO COMPARTMENT LT ZEE SIDEPLATE CHANNEL ASSEMBLY BETWEEN STA 727C TO STA 727G +10; LBL 21 AND ALSO BETWEEN STA 807 +10 TO STA 847; LBL 21 FOUND TO BE WITHIN ALLOWABLE LIMITS IAW SRM 53-00-53-1A-2.;[04] C/W;[05] REPAIRED PER SRM 53-00-53-1A-2.;[06] POTENTIAL CORROSION LEVEL WAS CHANGED FROM LEVEL 3 TO LEVEL 1.;[07] POTENTIAL CORROSION LEVEL WAS CHANGED FROM LEVEL 3 TO LEVEL 2 AS THE PART WAS REMOVED AND REPLACED.;[08] VERIFIED

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