Service difficulty report · Support Angle · Boeing 7378H4

Difficulty date
April 28, 2022
Submitted
May 12, 2022
Operation
Air carrier
Aircraft
N8685B
Make and model
Boeing 7378H4
Aircraft serial
36723
Aircraft time
20,280 hours, 9,431 cycles
Part
Support Angle
Part number
143A948537
Condition
Corroded
Location
Fwd Cargo Bay
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 AFT BLKD LOWER SUPPORT ANGLE CORRODED WL 156; BS 500I; RBL 25 TO LBL25 A225-003 / [01] REMOVED CORROSION IAW SRM 51-10-02 10X MAGNIFY MINIMUM ALLOWABLE MATERIAL REMAINING .056 .050 MATERIAL REMAINS FOUND TO BE OUT OF LIMITS IAW SRM 53-30-08-1A-1 AAR TOOL NO. 36644 DUE DATE 08/20/22;[02] VERIFIED STEP 1 IS COMPLETE;[03] VERIFIED ITEMS 1 AND 2;[04] VERIFY NEW ANGLE P/N 143A9485-35 ATAG WN12803 IAW BOEING DWG 143A9481 REV-;[05] VERIFIED STEP 4;[06] VERIFIED STEPS 4 AND 5; PART VERIFIED AS CORRECT;[07] OK TO INSTALL;[08] INSTALLED RAIL ASSEMBLY IAW BOEING DWG 143A9481 REV- AND SRM 51-40-02 P/NO. 143A9485-35;[09] INSTALLATION COMPLETE;[10] VERIFIED STEPS 8 AND 9; JOB COMPLETE; AUDITS C/W

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