Service difficulty report · Angle · Boeing 7378H4

Difficulty date
October 18, 2024
Submitted
November 25, 2024
Operation
Air carrier
Aircraft
N8509U
Make and model
Boeing 7378H4
Aircraft serial
36925
Aircraft time
26,850 hours, 13,267 cycles
Part
Angle
Condition
Corroded
Location
Zn 100 Fus Lower
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

FWD CARGO R/H TRANSITION ANGLE HAS CORROSION BS 492-500A<[01] REMOVED FWD CARGO R/H TRANSITION ANGLE (AFT DOOR CUTOUT SHIELD) BS 492-500A PER SRM 51-40-02.;[02] LOCATED AND DRILLED NEW R/H TRANSITION ANGLE (AFT DOOR CUTOUT SHIELD) BS 492-500A PER SRM 51-40-0 5;[03] INSPECTED CA#2 DRILLED NEW R/H TRANSITION ANGLE (AFT DOOR CUTOUT SHIELD) BS 492-500A;[04] INSTALLED SERVICEABLE RH TRANSITION ANGLE ( AFT DOOR COCONUT SHIELD ) AT BS 492-500A IN REFERENCE TO SRM 51-40-02;[05] INSTALLED SERVICEABLE RH TRANSITION ANGLE ( AFT DOOR CUT-OUT SHIELD ) AT BS 492-500A IN REFERENCE TO SRM 51-40-02;[06] FOUND CORROSION TO BE OUT OF LIMITS PER SRM 53-30-15-1A-1. REMOVED AND INSTALLED SERVICEABLE RH TRANSITION ANGLE ( AFT DOOR CUT-OUT SHIELD ) AT BS 492-500A IN REFERENCE TO SRM 51-40-02;[07] FOUND CORROSION TO BE OUT OF LIMITS PER SRM 53-30-15-1A-1. REMOVED AND INSTALLED SERVICEABLE RH TRANSITION ANGLE ( AFT DOOR CUT-OUT SHIELD ) AT BS 492-500A IN REFERENCE TO SRM 51-40-02;[08] INSPECTION COMPLETE ON CORRECTIVE ACTION #7 FOR INSTALLATION OF REPLACEMENT SHIELD ASSEMBLY AFT OF THE FORWARD CARGO ENTRY DOOR THRESHOLD.

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