SDR UIEA2018062801286

Service difficulty report · Tension Tie · Boeing 747412F

Difficulty date: July 8, 2018
Submitted: July 16, 2018
Operation: Air carrier
Aircraft: N489MC
Make and model: Boeing 747412F
Aircraft serial: 26553
Aircraft time: 93,789 hours, 16,571 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Tension Tie
Condition: Cracked
Location: Fuselage
Stage of operation: IN
How discovered: E
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

ATA 53-10, EO 4453A301 PART 5 DURING ACCOMPLISHMENT OF HFEC OPEN HOLE INSPECTION AT STA 840 LT TENSION TIE, FOUND CRACK INDICATION AT FWD AND AFT CHANNEL (TENSION TIE) AT 6 O'CLOCK AND 12 O'CLOCK POSITION. REPAIR ACCOMPLISHED AS PER SB 747-53A2502, FIG 11, REV 1.