SDR UPS804965

Service difficulty report · Rib · Doug DC871F

Difficulty date: November 10, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N729UP
Make and model: Doug DC871F
Aircraft serial: 46029
System (JASC): 5531 · Vertical Stabilizer, Spar/Rib
Part: Rib
Condition: Cracked
Location: Vert Stab
Stage of operation: IN
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 IN FOR D-CHECK, MAINTENANCE FOUND VERTICAL STAB LE LOWER INTERIOR SECTION HAS THE ENDS OF FRAME RIBS CRACKED AT XFS 104.75 LT AND RT, XFS 111.15 AND LT XFS 122.75. STOP DRILLED CRACKS, FABRICATED REPAIR ANGLE AND INSTALLED REPAIR PER SRM 55-2-0 AND 51-1-20D.

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