SDR UPS07851101

Service difficulty report · Skin · Doug DC873F

Difficulty date: October 24, 2007
Submitted: November 7, 2007
Operation: Air carrier
Aircraft: N813UP
Make and model: Doug DC873F
Aircraft serial: 46059
Aircraft time: 81,894 hours, 27,384 cycles
System (JASC): 5512 · Horizontal Stabilizer, Plate/Skin
Part: Skin
Condition: Cracked
Location: Horizontal Stab
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:C2 RT HORIZ STAB AFT SPAR WEB ACCESS HOLES HAVE CRACKS AT FASTNER HOLE SKIN ON NR 2, 3, 6, 7, 8, 9, 11, AND 12. STOP DRILLED ALL CRACKS AT ACCESS HOLES IN RT HORIZ STAB STA XH 28.843-149.00. FABRICATED AND INSTALLED 12 EA DOUBLERS ON RT HORIZ STAB ACCESS HOLES AT STA XH 28.843-149.00 IAW SRM 55-03-01 FIG 3, AND SRM 55-02-00 FIG 2.

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