Service difficulty report · Angle · Boeing 7378H4

Difficulty date
February 6, 2023
Submitted
March 13, 2023
Operation
Air carrier
Aircraft
N8662F
Make and model
Boeing 7378H4
Aircraft serial
36936
Aircraft time
27,185 hours, 12,716 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

SMALL TRANSITION ANGLE JUST AFT OF AFT CARGO DOOR CUTOUT HAS CORROSION AROUND FASTENER HOLES.<[01] REMOVED CORROSION ON TRANSITION ANGLE SHIELD; FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2.;[02] REMOVED TRANSITION ANGLE FASTENERS PER SRM 51-40-02.;[03] VERIFIED CORROSION ON TRANSITION ANGLE SHIELD; FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2. VERIFIED REMOVAL OF TRANSITION ANGLE SHIELD FOR REPLACEMENT. SIGN OFF FOR CORRECTIVE ACTION 1 AND 2.;[04] REMOVED TRANSITION ANGLE PER SRM 51-40-02.;[05] LOCATED HOLES AND COUNTERSANK NEW TRANSITION ANGLE PER SRM 51-40-02.;[06] INSPECTED WORK PERFORMED ON C/A #5;[07] INSTALLED FASTENERS ON THE NEW TRANSITION ANGLE PER SRM 51-40-02.;[08] C/W INSP .INSTALLED FASTENERS ON THE NEW TRANSITION ANGLE PER SRM 51-40-02.

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