Service difficulty report · Angle · Boeing 7378H4

Difficulty date
August 9, 2023
Submitted
September 7, 2023
Operation
Air carrier
Aircraft
N8547V
Make and model
Boeing 7378H4
Aircraft serial
63572
Aircraft time
19,953 hours, 9,831 cycles
Part
Angle
Part number
UNKNOWN
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 FLOOR STRUCTURE R/H TRANSITION ANGLE STA 767-787+6 HAS CORROSION AROUND VARIOUS FASTENER HOLES.<[01] REMOVED R/H AFT CARGO FLOOR STRUCTURE TRANSITION ANGLE FROM STA.767-787+6 PER SRM 51-40-02.;[02] REMOVED CORROSION AFT CARGO FLOOR STRUCTURE R/H SHIELD (TRANSITION ANGLE) STA 767-787+6 ORIGINAL MATERIAL THICKNESS IS 0.050?; MATERIAL LOSS IS 0.009?; MAX ALLOWED IS 0.005?; REMAINING MATERIAL THICKNESS IS 0.041?. FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2;[03] REMOVED AND REPLACED AFT CARGO R/H SHIELD STA 767-787+6 PER SRM 51-40-02;[04] INSPECTION C/W.

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