Service difficulty report · Channel · Boeing 7377H4

Difficulty date
November 4, 2021
Submitted
November 8, 2021
Operation
Air carrier
Aircraft
N778SW
Make and model
Boeing 7377H4
Aircraft serial
27883
Aircraft time
68,867 hours, 40,745 cycles
Part
Channel
Condition
Corroded
Location
Fuselage
Stage of operation
UK
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 RIGHT 'Z' CHANNEL HAS LIGHT CORROSION AND MISSING PAINT FROM 847-964 AFT CARGO CHANNEL CORRECT STATION IS FROM 847 TO 947. REMOVED CORROSION ON AFT CARGO RIGHT ' Z' CHANNEL FROM STA847 TO STA 964 IAW SRM 51-10-02-0G-0. PERFORMED UT THICKNESS INSP. ON REWORKED AREAS IAW NDT PART 4 51-00-00 PROCEDURE 3. MIN. THICKNESS 0.048'. ORIGINAL MATERIAL 0.050' MATERIAL REMOVED 0.002' MATERIAL REMAINING 0.048'. FOUND WITH IN LIMITS IAW SRM 53-00-53-1A-2 FIG 103. TREATED AND PRIMER IAW SRM 51-21-41-370-802 & 51-21 72-370-804.

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