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.LH Z-ANGLE CORRODED AROUND FASTNER HOLES STA.500E-500D LBL25 WL158 #185-013 ; / [01] BEGAN REMOVING CORROSION ON L/H Z ANGLE AT STA 500D TO STA 500E; LBL 25 AND WL 158; ORIGINAL .040' LOSS OF .010' REMAINING .030' FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2. CORROSION STILL EXISTS. TOOLING 36646 CAL DUE 10-06-22; [02] INSPECTION CW STEP 1; [03] REMOVED DAMAGED SECTION OF Z-ANGLE FROM STA 500D+10 TO 500I IAW SRM 51-40-02.; [04] ALL MAINTENANCE COMPLETED ON JOB CARD 42981-1400-0039; [05] Z-ANGLE IS COMPLETED; APPLIED CIC TO AREA IAW AMM 51-21-91-701 JOB CARD 42981-1400-0039 ANDTTG8Q009CUK7; [06] VERIFIED STEPS 4. AND 5.; [07] AUDIT C/W

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