SDR UIEA2012012600027

Service difficulty report · Tension Tie · Boeing 74747UF

Difficulty date: January 25, 2012
Submitted: January 26, 2012
Operation: Air carrier
Aircraft: N409MC
Make and model: Boeing 74747UF
Aircraft serial: 30558
Aircraft time: 51,419 hours, 7,718 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Tension Tie
Condition: Cracked
Location: Bs 760
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

DURING C3 CHECK, INSPECTION OF DATUM ACFT IAW EO 4453A301, REV C, CRACKS WERE FOUND AT 2 EA FASTENER HOLES AT BS 760 LT TENSION TIE, FWD CHANNEL.; THE SUBJECT DAMAGES WERE DOCUMENTED ON NRC GSP 501281. THE DAMAGED TENSION TIE WAS REPAIRED IAW WORK STEP 6 OF PART 1 OF EO 4453A301 REV C.

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