Service difficulty report · Angle · Boeing 7378H4

Difficulty date
April 24, 2023
Submitted
May 25, 2023
Operation
Air carrier
Aircraft
N8531Q
Make and model
Boeing 7378H4
Aircraft serial
63575
Aircraft time
19,946 hours, 9,687 cycles
Part
Angle
Condition
Corroded
Location
Zn 100 Fus Lower
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

FWD CARGO COMPARTMENT LH TRANSITION ANGLE STA.500E TO 500F CORROSION AT NUMEROUS FASTENER HOLES.<[01] CUT AND REMOVED DAMAGED SECTION OF TRANSITION ANGLE FROM STA. 500B +10 TO 500E +10. FABRICATED REPAIR PARTS PER SRM 53-00-53-2R-5.;[02] REPAIRED TRANSITION ANGLE FROM STA. 500B +10 TO 500E +10. FABRICATED REPAIR PARTS AND INSTALLED PER SRM 53-00-53-2R-5 ; AND EA. # M-22-153-01550 (FOR TAPPERD SHIM);[03] RII INSPECTED AS REQUIRED; CORRECTIVE ACTION #1 AND #2;[04] REPAIRED TRANSITION ANGLE FROM STA. 500B +10 TO 500E +10. FABRICATED REPAIR PARTS AND INSTALLED PER SRM 53-00-53-2R-5 ; AND EA. # M-22-153-01550 (FOR TAPPERD SHIM)

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