Service difficulty report · Support Angle · Boeing 7378H4

Difficulty date
April 15, 2026
Submitted
May 11, 2026
Operation
Air carrier
Aircraft
N8639B
Make and model
Boeing 7378H4
Aircraft serial
60086
Aircraft time
39,504 hours, 19,287 cycles
Part
Support Angle
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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

CORROSION ON FWD CARGO COMPARTMENT LT FLOOR TO SIDEWALL SUPPORT ANGLE FROM STA 500B+6 TO STA 500I; AND STA 400+11; LBL 22; WL 158. THE DAMAGE WAS REPAIRED PER SRM 53-00-53-2R-5 (REPAIR 5) AND EA M-22-153-01550.

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