Service difficulty report · Angle · Boeing 7378H4

Difficulty date
April 23, 2023
Submitted
May 25, 2023
Operation
Air carrier
Aircraft
N8531Q
Make and model
Boeing 7378H4
Aircraft serial
63575
Aircraft time
19,946 hours, 9,687 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

AFT CARGO STA 727H THRU STA 727I RH TRANS ANGLE HAS CORROSION<[01] REMOVED SURFACE CORROSION ON TRANSITION ANGLE. MATERIAL REMAINING THICKNESS IS .035 AND FOUND TO BE OUT OF LIMITE PER SRM 53-00-53-1A2.;[02] VERIFIED DAMAGE REMOVAL IS OUT OF LIMITS.;[03] REMOVED AND REPLACED R/H TRANSITION ANGLE FROM STA 727F+11? TO STA 767 IAW SRM 53-00-53-2R-5. ALL WORK DOCUMENTED ON ROUTINE CARD TTG8Q00KLXCU.;[04] RII INSPECTION C/W.

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