SDR UIEA200800026

Service difficulty report · Skin · Boeing 747243B

Difficulty date: February 2, 2008
Submitted: February 21, 2008
Operation: Air carrier
Aircraft: N540MC
Make and model: Boeing 747243B
Aircraft serial: 22508
Aircraft time: 101,345 hours, 17,658 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Cracked
Location: Pax Doorway
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

MAIN ENTRY DOOR L-1, EXTERIOR LOWER HINGE CUT-OUT, PREVIOUS DOUBLER REPAIR, LOWER CORNER IS CRACKED AT STA 452.5 L. REMOVED CRACKED DOUBLER, FABRICATED NEW DOUBLER AS PER SB 747-52-2144 REV 2. VERIFIED STOP DRILLED ENDED CRACK USING HFEC INSP. AS PER 747 NDT MANUAL PART 6, 51-00-00 FIG 23. INSTALLED NEW DOUBLER AS PER SB 747-52-2144 REV 2 REF EO 4752A130.