SDR UPS05843753

Service difficulty report · Rib · Doug DC873F

Difficulty date: January 5, 2005
Submitted: January 26, 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
Part number: 97532973
Condition: Cracked
Location: Lt 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, LT WING ATTACHMENT RIB CRACKED AT XW454. CUT OUT DAMAGE, VERIFIED PER NDT SPM06-10-01.001. FABRICATED REPAIR DOUBLER FROM SHT7075-0-.100 & FILLER FROM SHT7075T6-.090 REF DWG 9753297. HEAT TREAT TO T6 PER DPS7.00-1. INSTALLED REPAIR PER SRM 57-2-0 FIG 2 & 2A, 51-1-8, 51-1-21, 51-1-20D.

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