Service difficulty report · Angle · Boeing 7377H4

Difficulty date
April 15, 2020
Submitted
May 21, 2020
Operation
Air carrier
Aircraft
N922WN
Make and model
Boeing 7377H4
Aircraft serial
32461
Aircraft time
41,140 hours, 24,679 cycles
Part
Angle
Part number
BAC1496444
Condition
Corroded
Location
Fuselage
Stage of operation
IN
How discovered
V
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; LH Z-ANGLE HAS CORROSION AROUND FASTENER HOLES; BS: 420 TO 480+10; LBL: 24; WL: 155. / REMOVED L/H Z ANGLE CORROSION IAW SRM 53-00-53-1A2 VERIFIED WITH 10X MAGNIFY GLASS NO DEFECT NOTED; MATERIAL LOSS AND LIMIT; MEASURED .008' ALLOWED .004' LOSS OUT OF LIMIT IAW SRM 53-00-53-1A-2 FIG 103 SHEET 2 (D) AAR TOOL #29629 DUE 6/26/20 REMOVED L/H Z ANGLE IAW SRM 51-40-02-0G-0 VERIFY MATERIAL; VERIFIED MATERIAL IAW SRM 53-00-53-2R-5 P/N BAC1496-444 7075-T6 CLAD TAG 1 A21660 A21661; LOCATED AND DRILLED HOLES IAW SRM; 51-40-05-0G-0; TREATED AND PRIMED IAW SRM 51-20-01-0G-0; INSTALLED L/H 2 ANGLE IAW SRM- 51-40-05-0G-0 APPLIED CIC IAW SRM 51-20-01-0G-0 P/N 143A7501-183

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