Service difficulty report · Angle · Boeing 7378H4

Difficulty date
June 17, 2020
Submitted
August 13, 2021
Operation
Air carrier
Aircraft
N8637A
Make and model
Boeing 7378H4
Aircraft serial
42523
Aircraft time
21,417 hours, 9,425 cycles
Part
Angle
Condition
Corroded
Location
Bs 847
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 BAY; Z- ANGLE (SHEILD) HAS CORROSION AT BS847+15; RBL13; WL164 / AFT CARGO Z-ANGLE SHIELD HAS CORROSION AT BS 847+15' RBL 13; WL 162. BLENDED AND REMOVED CORROSION I/A/W SRM 51-10-02-0G-0. MATERIAL THICKNESS IS .050 MAT LOSS IS .022 MAT REMAINING IS .025 'OUT OF LIMITS' I/A/W SRM 53-60-15-1A-1. DRILED AND REMOVED Z-ANGLE SHEILD IA/W SRM 51-40-02-0G-0. LOCATED AND DRILLED NEW Z-ANGLE SHEILD I/A/W SRM 51-40-05-0G-0 ALSO BOEING DWG 146A0081 REV:A. INSTALLED NEW Z-ANGLE SHEILD IA/W SRM 51-40-02-0G-0 ALSO BOEING DWG 146A0081 REVA P/N 146A8127-10

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