Service difficulty report · Web · Boeing 234

Difficulty date
January 3, 2017
Submitted
January 13, 2017
Operation
Air carrier
Aircraft
N246CH
Make and model
Boeing 234
Aircraft serial
MJ017
Aircraft time
16,282 hours
Part
Web
Part number
414S411311
Condition
Cracked
Location
Zone 400
Stage of operation
IN
How discovered
V
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

INSPECTION REVEALED A CRACKED FORMER, PN 114S4104-13, AT STA 534, WL +72, BL 5 RIGHT. THIS AREA INCORPORATED A PREVIOUS REPAIR ONCE REMOVED, WEB WAS CRACKED AS WELL UNDER THE REPAIR DOUBLER. IN ADDITION IT WAS NOTED THAT THE T CAP 114S4104-13 WAS CRACKED. THE T IS TRAPPED BY THE AFT WEB 114S4113-117 AND ANGLE 114S4113-79 . THE ANGLE ON TOP OF THE AFT WEB WAS COVERING UP CRACKS IN THE AFT WEB THAT WERE FOUND DURING THE REMOVAL OF THE T. ALL FOUR CORNERS OF THE WEB AT THE VERT SHAFT ACCESS HOLE WERE FOUND CRACKED. REMOVED DAMAGED PARTS, FABRICATED, LOCATED, AND INSTALLED IAW APPROVED DATA.

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