Service difficulty report · Angle · Boeing 7378H4

Difficulty date
July 3, 2023
Submitted
August 1, 2023
Operation
Air carrier
Aircraft
N8544Z
Make and model
Boeing 7378H4
Aircraft serial
36926
Aircraft time
19,891 hours, 9,804 cycles
Part
Angle
Part number
UNKNOWN
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

AFT CARGO RT. TRANSITION ANGLE HAS CORROSION IN AND AROUND N/P HOLES BS727H-727I.<[01] REMOVED LIGHT SURFACE CORROSION AFT CARGO R/H TRANSITION ANGLE FROM STA. 727H-727I PER SRM 51-10-02; FOUND TO BE OUT OF LIMITS. MATERIAL REMOVED .005 AND REMAINING THICKNESS .035 PER SRM 53-00-53-1A-2.;[02] FOR COMPANY CONVENIENCE R/H TRANSITION ANGLE TO BE REPAIR ON NON-ROUTINE TTG8Q00M0H7M FROM STA. 727+4 TO 767.;[03] VERIFIED C/A # 1 : (TECHNICIAN); 06-JUL-2023 09:12 UTC<BR>REMOVED LIGHT SURFACE CORROSION AFT CARGO R/H TRANSITION ANGLE FROM STA. 727H-727I PER SRM 51-10-02; FOUND TO BE OUT OF LIMITS. MATERIAL REMOVED .005 AND REMAINING THICKNESS .035 PER SRM 53-00-53-1A-2.;[04] VERIFIED STEP # 1 : 1. (COMPLETE)<BR>06-JUL-2023 09:12:25<BR>C/W;[05] VERIFIED C/A # 2 : (TECHNICIAN); 06-JUL-2023 22:58 UTC<BR>FOR COMPANY CONVENIENCE R/H TRANSITION ANGLE TO BE REPAIR ON NON-ROUTINE TTG8Q00M0H7M FROM STA. 727+4 TO 767.

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