SDR IPXA11B65599

Service difficulty report · Tension Tie · Boeing 7474R7F

Difficulty date: February 21, 2011
Submitted: March 23, 2011
Operation: Air carrier
Aircraft: N583UP
Make and model: Boeing 7474R7F
Aircraft time: 90,628 hours, 15,846 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Tension Tie
Condition: Cracked
Location: Bs 860
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

INSPECTION TYPE:C, STA860 LT TENSION TIE FASTENER HOLE FOUND 2EA FASTENER HOLES CRACKED AT FWD CHANNEL LAYER AS MARKED. M/D BS860 LT TENSION TIE FWD CHANNEL REPAIRED IAW RS R53-25-36963 EO B747-5310-41901-A. REFER NRC FGV512991 FOR WORKING DETAIL

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