Service difficulty report · Angle · Boeing 7378H4

Difficulty date
May 5, 2022
Submitted
May 26, 2022
Operation
Air carrier
Aircraft
N8691A
Make and model
Boeing 7378H4
Aircraft serial
36945
Aircraft time
19,680 hours, 9,210 cycles
Part
Angle
Condition
Corroded
Location
Fuselage
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

L/H TRANSITION ANGLE HAS NUMEROUS AREAS OF CORROSION FROM STA 500C+11 - STA 500D+15 (M) CUT OUT CORRODED SECTION FROM STA 500C+9 TO 500E+9 AND FABRICATED; TREATED; AND PRIMED NEW TRANSITION ANGLE SECTION IAW SRM 53-00-53-2R-6. CUT OUT CORRODED SECTION FROM STA 500B+10 TO 500E+9. LOCATED AND AND MATCH DRILLED NEW SECTION OF TRANSITION ANGLE IAW SRM 53-00-53-2R-6. FABRICATED AND DRILLED SPLICE PLATES IAW SRM 53-00-53-2R-6; FABRICATED TAPERED SHIMS IAW SRM 51-30-01 FIGURE 10. ALODINED AND PRIMED ALL REPAIR PARTS IAW AMM 51-21-72. REMOVED FABRICATED AND REPLACED FORWARD CARGO COMPARTMENT LT TRANSITION ANGLE FORM STA 500B +10 TO STA 500E +9 LBL 24; AND WL 156 IAW SRM 53-00-53-2R-5; EA 22-153-01437-WIP1.

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