SDR CALA2010091700439

Service difficulty report · Skin · Boeing 737524

Difficulty date: September 15, 2010
Submitted: September 17, 2010
Operation: Air carrier
Aircraft: N14639
Make and model: Boeing 737524
Aircraft serial: 28900
Aircraft time: 34,487 hours, 18,156 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Part number: 6545800
Condition: Cracked
Location: Fuselage
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

SUPPORT TASK FWD ENTRY DOOR LOWER HINGE CUTOUT HAS CRACKED INDICATION AT FASTENER HOLE JUST 3 INCHES BELOW STRINGER 13L AND FRAME STA 303.90 AREA REF B737 NDT MANUAL PART 6 CHAPTER 51-00- 00 FIG 16 OVERSIZED, HFEC INSPECTED, & ENDOSCOPE HOLE; CONFIRMED TO BE DRILLED THRU LWR SKIN; FABRICATED, DRILLED, & INSTALLED TRIPLER, DOUBLER, & FILLER; TREATED & PRIMED ALL REPAIR PARTS REF ECRA 5 330-04063.