Service difficulty report · Angle · Boeing 7378H4

Difficulty date
April 8, 2026
Submitted
May 6, 2026
Operation
Air carrier
Aircraft
N8531Q
Make and model
Boeing 7378H4
Aircraft serial
63575
Aircraft time
29,638 hours, 14,907 cycles
Part
Angle
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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 L/H TRANSITION ANGLE HAS MULTIPLE AREAS OF CORROSION AROUND FASTENER HOLES FROM STA 500B TO STA 500E. AFTER CORROSION EVALUATION FWD CARGO LT TRANSITION ANGLE HAS MULTIPLE AREAS OF CORROSION AROUND FASTENER HOLES FROM BS 500B TO 500E IS FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2. REMOVED LT TRANSITION ANGLE AT EXISTING REPAIR SPLICE FROM BS 500B+9 TO 500E+12 IAW SRM 51-40-02. REMOVED AND REPLACED LT TRANSITION ANGLE EXISTING REPAIR BS 500B+9 TO 500E+12 IAW SRM 51-40-02.

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