SDR UPS05843855

Service difficulty report · Rib · Doug DC873F

Difficulty date: January 4, 2005
Submitted: February 7, 2005
Operation: Air carrier
Aircraft: N868UP
Make and model: Doug DC873F
Aircraft serial: 45968
Aircraft time: 75,646 hours, 26,334 cycles
System (JASC): 5712 · Wing, Rib/Bulkhead
Part: Rib
Condition: Cracked
Location: Left Wing
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

INSPECTION TYPE:C3 RIB CRACKED AT UPPER END, LT WING STA XFS 828.75. STOP DRILLED CRACK AND NDT VERIFIED PER NDT/SPM06-10-01.001. FAB DOUBLER AND FILLER FOM SHT7075T6-.050, TREATED, PRIMED & INSTALLED SAME REF SRM 57-3-0 FIG 20, 57-2-0 FIG 2, 51-1-8, 51-1-21, 51-1-20D, 57-3-3 FIG 7.

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