Service difficulty report · Bulkhead · Boeing 737890

Difficulty date
January 24, 2019
Submitted
January 29, 2019
Operation
Air carrier
Aircraft
N581AS
Make and model
Boeing 737890
Aircraft serial
35188
Aircraft time
44,894 hours, 13,424 cycles
Part
Bulkhead
Part number
111A11111
Condition
Cracked
Location
Rt 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

RT W/W FWD BULKHEAD PRESSURE DECK APPROX STA 663.75 WL 205 RBL 41 HAS A CRACK IN WEB GROUNDED - YES. VERIFIED CRACK FROM START TO FINISH AT FWD BULKHEAD PRESSURE DECK REF NDT MANUAL 51-00-00-00 SECTION 6 PROCEDURE 23. STOP DRILLED AND CUTOUT CRACK REF SRM 57-10-10-2R-4. HFEC INSPECTED CUTOUT PER NDT 51-00-00-00 PART 6. NO DEFECTS FOUND. FABRICATED DOUBLER OUT OF 0.100" BARE. REF SRM 57-10-10-2R-4. INSTALLED DOUBLER REF EA 800-57EA-21207 AND SRM 57-10-10-2R-4. RESTORED VAPOR BARRIER AND APPLIED CORROSION INHIBITOR REF SRM 57-10-10-2R-4.