Service difficulty report · Angle · Boeing 7377CT

Difficulty date
September 25, 2019
Submitted
May 16, 2022
Operation
Air carrier
Aircraft
N7831B
Make and model
Boeing 7377CT
Aircraft serial
32752
Aircraft time
55,899 hours, 27,995 cycles
Part
Angle
Part number
146A75022
Condition
Corroded
Location
Aft Cargo Compt
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

AFT CARGO COMPARTMENT R\H Z-ANGLE STA 727B+18 TO STA 767; RBL 20; WL 156 HAS CORROSION. / REMOVED AND EVALUATED CORROSION. BLENDS STA 727B+18 TO STA 727E FOUND .002' MATERIAL LOSS FROM ORIGINAL .040' WITH .038' REMAINING; FOUND TO BE WITHIN LIMITS PER SRM 53-00-53-1A-2. DEEPEST BLENDS FROM STA 727E-767 FOUND TO BE .040' FROM ORIGINAL .040' WITH .000' REMAINING. BLENDS FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-1. REMOVED DAMAGE SECTION OF Z-ANGLE; FABRICATED REPLACEMENT SECTION OFZ-NGLE AND REPAIR SPLICE OF STA 727D+12; AND INSTALLED REPAIR SPLICE AND REPLACEMENT SECTION OF Z-ANGLE STA 727D+12-767 PER SRM 53-00-53-2R-6 COMPONENT P/N 146A7502-2.

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