Service difficulty report · Casting · Boeing 7378H4

Difficulty date
August 30, 2023
Submitted
October 3, 2023
Operation
Air carrier
Aircraft
N8550Q
Make and model
Boeing 7378H4
Aircraft serial
63579
Aircraft time
19,170 hours, 9,590 cycles
Part
Casting
Part number
NOTREPORTED
Condition
Cracked
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

FWD CARGO THRESHOLD FWD CORNER CASTING IS CRACKED.<[01] R/R FWD CARGO THRESHOLD FWD CORNER SCUFF PLATE PER AMM 53-11-02;[02] C/W INSPECTION.

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