SDR DHL2007873518

Service difficulty report · Stiffener · Doug DC873F

Difficulty date: January 12, 2008
Submitted: February 4, 2008
Operation: Air carrier
Aircraft: N873SJ
Make and model: Doug DC873F
Aircraft serial: 46091
Aircraft time: 89,073 hours, 24,366 cycles
System (JASC): 5720 · Wing Miscellaneous Structure
Part: Stiffener
Condition: Cracked
Location: Rt Wing
Part time: 89,073 hours, 24,366 cycles
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

NR 3 MAIN TANK STIFFENER CRACKED 4" AT STA XRS 69.500. REMOVED CRACKED STIFFENER IAW SRM 51-1-20D, SRM 51-1-21. CLEANED AND APPLIED POLYURETHANE TOP YELLOW COATING TO AREA IAW SRM 51-1-12 PG 7. INSTALLED NEW STIFFENER IAW SRM 51-1-120D, SRM 51-3-1 (TORQUE), REFER TO JC EC-00717 (WO 2837) FOR STIFFENER FABRICATION.

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