Service difficulty report · Angle · Boeing 7378H4

Difficulty date
February 4, 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
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 LEFT TRANSITION ANGLE HAS AREAS OF CORROSION AROUND FASTNER HOLES STA 727I-747.<[01] REMOVED CORROSION AROUND FASTENER HOLES LEFT TRANSITION ANGLE STA 727I - 747. REMAINING THICKNESS IS 0.030. FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2;[02] VERIFIED OUT OF LIMITS PER SRM 53-00-53-1A-2;[03] TRANSITION ANGLE WILL BE REPLACED AND ALL WORK DOCUMENTED ON TASK CARD TTG8Q00HGTLW;[04] REPLACED L/H TRANSION AQNGLE <BR> FROM STA. 727F+11' THROUGH 847 ON CORRECTIVE ACTION STEPS 6 AND 7 REFERENCING SRM 51-40-05 AND SRM 53-00-53-2R-5.;[05] C/W INSPECTION.;[06] C/W INSPECTION.

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