SDR DALA1105329864

Service difficulty report · Floor Support · Doug DC951

Difficulty date: January 21, 2011
Submitted: January 25, 2011
Operation: Air carrier
Aircraft: N773NC
Make and model: Doug DC951
Aircraft serial: 47775
Aircraft time: 73,440 hours, 70,600 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Damaged
Location: Sta 1151-1167
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

DURING REPAIR ON SUPPORT STA 1151-1167, RBL 18, NR 6C/230, FOUND SUPPORT CHANNEL WITH MULTIPLE DOUBLE DRILLED HOLES AND ELONGATED HOLES. FABRICATED NEW SUPPORT FROM .050. HEAT TREATED ON TRAVELER 2311 NR 02266. INSTALLED SUPPORT IAW SRM 51-01 AND 51-30-1.P-226. REQUIRED INSPECTION COMPLETED BY Q-987 284650.

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