Service difficulty report · Plate · Boeing 7378H4

Difficulty date
January 26, 2023
Submitted
March 13, 2023
Operation
Air carrier
Aircraft
N8525S
Make and model
Boeing 7378H4
Aircraft serial
36949
Aircraft time
20,253 hours, 9,749 cycles
Part
Plate
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 DOOR SILL PLATE HAS SEVERAL AREAS OF CORROSION; MARKED.<[01] REMOVED LIGHT SURFACE CORROSION ON RH SILL PLATE FROM STATION 787+5 TO 84. MATERIAL REMAINING THICKNESS .047. ALL WORK REFERENCE TO SRM 50-60-15-1A-1;[02] BLENDED ADDITION CORROSION ON RH SILL PLATE. MATERIAL REMANING THICKNESS .043 AND FOUNDED TO BE OUT OF LIMITED. ALL WORK REFERENCE TO SRM 53-60-15-1A-1.<BR>SEE WORK CAPTURE # TTG8Q00G74PR FOR SILL PLATE REPLACEMENT.

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