SDR UIEA2012022300060

Service difficulty report · Skin · Boeing 74747UF

Difficulty date: February 23, 2012
Submitted: February 23, 2012
Operation: Air carrier
Aircraft: N499MC
Make and model: Boeing 74747UF
Aircraft serial: 29260
Aircraft time: 50,457 hours, 8,498 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Cracked
Location: Bs 983
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

CRACK DAMAGE IN SKIN AT BS 983, S 38L IN THE DRAG SPLICE FITTING AREA. CRACK DAMAGE WAS DETECTED DURING C3 CHECK WHILE ACCOMPLISHING INSPECTION IN COMPLIANCE WITH SB 747-53A2444, REV 2, AD 2001-22-04 IAW EO 4453A499. PERMANENET REPAIR DOUBLERS WERE INSTALLED IAW SRM 53-20-01, REPAIR 2, FIG 201.

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