Service difficulty report · Support Angle · Boeing 7378H4

Difficulty date
March 23, 2022
Submitted
April 12, 2022
Operation
Air carrier
Aircraft
N8686A
Make and model
Boeing 7378H4
Aircraft serial
36938
Aircraft time
18,740 hours, 8,669 cycles
Part
Support Angle
Part number
143A9485Y35
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

FORWARD CARGO COMPARTMENT CORROSION FOUND ON AFT BULKHEAD FLOOR SUPPORT ANGLE UPPER SURFACE AT STA 500I; LBL 24 TO RBL 24; AND WL 156. / [01] FOUND TO BE OUT OF LIMITS IAW SRM 53-30-08-1A-1 REMOVED ANGLE PER SRM 51-40-02; DRILLED NEW PART; AND OK TO INSTALL;[02] OK TO INSTALL NEW ANGLE AS NOTED IN CORRECTIVE ACTION #1.;[03] INSTALLED NEW SUPPORT ANGLE PER SRM 51-40-02;[04] INSPECTION COMPLETE ON CORRECTIVE ACTION #3 FOR SUPPORT ANGLE INSTALLATION. STILL REQUIRES FILLET SEAL AS NOTED IN STEP #1.

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