SDR DALA1101209864

Service difficulty report · Floorbeam · Doug DC951

Difficulty date: January 6, 2011
Submitted: January 10, 2011
Operation: Air carrier
Aircraft: N773NC
Make and model: Doug DC951
Aircraft serial: 47775
Aircraft time: 73,440 hours, 70,600 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Damaged
Location: Bs 160
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

COCKPIT FLOORBEAM UPPER CAP HAS SEVERAL ELONGATED AND DOUBLE DRILL FASTENER HOLES AT BS 160 FROM BL 0 TO RBL 57. REMOVED 51 INCHES FLOORBEAM UPPER CAP IAW SRM 53-05, FIG 20B. REMOVED PULLEY BRACKET IAW SRM 51-30-1. REINSTALLED PULLEY BRACKET IAW SRM 51-30-1. FABRICATED, DRILLED SPLICES. MACHINE TAPERED AND INSTALLED IAW SRM 53-05, FIG 20B, P-224. REQUIRED INSP COMPLETED .

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