Service difficulty report · Angle · Boeing 7378H4

Difficulty date
November 17, 2021
Submitted
December 14, 2021
Operation
Air carrier
Aircraft
N8674B
Make and model
Boeing 7378H4
Aircraft serial
36734
Aircraft time
20,443 hours, 9,348 cycles
Part
Angle
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

FWD CARGO COMP.RH Z-ANGLE CORRODED AROUND FASTNER HOLES STA.500G-500I RBL 25 WL 158 #185-010 ; / [01] BEGAN REMOVING CORROSION ON RH Z ANGLE AT STA 500G TO 500I RBL 25 AND WL 158; ORIGINAL .040' LOSS OF .007' REMAINING .033' FOUND OUT OF LIMITS IAW SRM 53-00-53-1A-2. CORROSION STILL EXISTS. TOOLING 36646 CAL DUE 10-06-22;[16] INSTALLED -2 SPLICE PLATE TO Z ANGLE IAW B737 SRM 53-00-53-2R-5; [17] -2 SPLICE PLATE RII INSP C/W; [18] OK TO CIC; [19] OK TO INSTALL REPAIR PARTS IN AIRCRAFT REF STEP 4; [20] BEGIN INSTALLING RH Z-ANGLE STA 500A-500I IAW SRM 51-40-02.; [21] INSTALLED RH Z-ANGLE STA 500A-500I IAW SRM 51-40-02 AND 143A7500 TY:DWG ID:0083 REV:-; [22] INSTALLED FASTENERS IN AFT RH SUPPORT ANGLE; THAT WERE DISPLACED IN ITEM 3; IAW B737 SRM 51-40-02-0G-0; AND BOEING DWG 143A9481.<BR>ALL STEPS 1-22 COMPLETED.; [23] VERIFIED STEPS 20. AND 21.; [24] VERIFIED STEP 22.<BR>AUDIT C/W

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