Service difficulty report · Casting · Boeing 7378H4

Difficulty date
December 31, 2022
Submitted
January 4, 2023
Operation
Air carrier
Aircraft
N8581Z
Make and model
Boeing 7378H4
Aircraft serial
64348
Aircraft time
14,420 hours, 7,231 cycles
Part
Casting
Condition
Damaged
Location
Lavatory Door
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

WHILE PREFORMING HFEC INSPECTION OF EXSISTING FASTENER HOLES FOUND SEVERAL HOLES ELONGATED IN UNDERLINE CASTING. UNDERLINE CASTING IS BEING REPLACED WITH THE ACTION OF A NEW DOOR INSTALLATION. ACTION BEING TAKEN ON CARD TTG8Q00GYWD5.

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