Service difficulty report · Angle · Boeing 7378H4

Difficulty date
September 29, 2020
Submitted
October 14, 2020
Operation
Air carrier
Aircraft
N8644C
Make and model
Boeing 7378H4
Aircraft serial
35973
Aircraft time
20,442 hours, 9,111 cycles
Part
Angle
Condition
Corroded
Location
Bs 727f-767
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 STA 727F+13 TO STA 767; RBL 21 AND WL 155 R\H Z ANGLE HAS CORROSION. / AFT CARGO R/H Z-ANGLE STA 767 TO STA 727F+13'. BLENDED AND REMOVED CORROSION ON Z-ANGLE I/A/W SRM 51-10-02-0G-0. MAT THICKNESS IS .040 MAT REMOVED .012 MAT REMAINING .008 'OUT OF LIMITS' I/A/W 53-00-53-1A-2 FIG 103. FABRICATED NEW R/H Z-ANGLE SECTION AND DOUBLER STA 737 TO STA 727F+10 I/A/W 53-00-53-2R-5 REPAIR 5. ALODINED; PRIMED I/A/W SRM 53-00-53-2R-5 REPAIR 5 STEP I;J. INSTALLED NEW DOUBLER AND NEW SECTION OF Z-ANGLE I/A/W SRM 53-00-53-2R-5 STEP K; L. APPLIED C.I.C TO NEW Z-ANGLE I/A/W SRM 53-00-53-2R-5 STEP N P/N 146A7502-52

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