Service difficulty report · Angle · Boeing 75723A

Difficulty date
November 13, 2019
Submitted
December 4, 2019
Operation
Air carrier
Aircraft
N920FD
Make and model
Boeing 75723A
Aircraft serial
24289
Aircraft time
76,396 hours, 27,921 cycles
Part
Angle
Part number
148N315212
Condition
Corroded
Location
Apu Inlet
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

UPON REMOVAL OF APU INLET, CORROSION FOUND ON UPPER AND LOWER ANGLES REMOVED CORROSION IAW SRM 51-10-02 AND FOUND TO BE OUTSIDE LIMITS IAW 53-00-04-1A ORIGINAL MATERIAL THICKNESS = 0.063" REMOVED MATERIAL = 0.032" UPPER AND LOWER ANGLES REPLACED IAW SRM 51-40-02 AND BOEING DRAWING NUMBERS 148N3152 AND 148N3105..

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