Service difficulty report · Bulkhead · Boeing 737824

Difficulty date
August 19, 2014
Submitted
August 20, 2014
Operation
Air carrier
Aircraft
N37290
Make and model
Boeing 737824
Aircraft serial
31601
Aircraft time
33,995 hours, 11,716 cycles
Part
Bulkhead
Part number
111A1111
Condition
Cracked
Location
Lt Mlg Ww
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

LEFT WW CTR WING BOX REAR SPAR VERTICAL PRESS WEB CRACKED BETWEEN LBL 31.83 & 40.00. INSTALLED ALTERNATIVE 1 REPAIR DOUBLER IAW SRM 57-10-10 REPAIR 3. INSPECTION THRESHOLD OF 56K FLIGHT CYCLES AFTER REPAIR INSTALLATION IAW STEP 6 PART A OF SRM 57-10-10 REPAIR 3. DO THE SUPPLEMENTAL INSPECTION AS GIVEN IN TABLE 203 REPAIR 3 FIG 205 REPAIR 3 SEE 57 DIP, CONTROL 28992. REINSPECT CATEGORY B REPAIR AT 56,000 FLIGHT CYCLES AFTER REPAIR INSTALLED & AGAIN EVERY 36,000 THEREAFTER IAW SRM 57-10-10 PART 6 REPAIR 3.