SDR AWXA200301554

Service difficulty report · Bulkhead · Boeing 737375

Difficulty date: November 25, 2003
Submitted: December 16, 2003
Operation: Air carrier
Aircraft: N336AW
Make and model: Boeing 737375
Aircraft serial: 23707
Aircraft time: 54,890 hours, 29,641 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Bulkhead
Part number: 6516300
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

DURING C-04 CHECK A 1 INCH CRACK WAS FOUND ON BS 178 BULKHEAD WEB, AFT SIDE, AT RBL 5, WL 200.25 TO WL 201.25. MAINTENANCE PERFORMED HFEC INSPECTION TO VERIFY CRACK END, STOP DRILLED CRACK, RE-ACCOMPLISHED HFEC INSPECTION TO VERIFY CRACK CONTAINED; FABRICATED A REPAIR DOUBLER; INSTALLED REPAIR PART IAW B737-300 SRM 53-10-08 PG 275, FIG 201.