SDR ASAA2015041511372

Service difficulty report · Bulkhead · Boeing 737890

Difficulty date: April 15, 2015
Submitted: April 20, 2015
Operation: Air carrier
Aircraft: N568AS
Make and model: Boeing 737890
Aircraft serial: 35183
Aircraft time: 31,174 hours, 9,662 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Bulkhead
Part number: 111A2301
Condition: Cracked
Location: Bs 663
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

CRACK IN THE VAPOR BARRIER RT W/W FWD BULKHEAD, METAL AREA BEHIND "B" RES. ACFT GROUNDED. CUT OUT DAMAGE, FABRICATED AND INSTALLED CAT "B" REPAIR IAW SRM 57-10-10-2R-3, REPAIR 3, DET 2. INSPECTION THRESHOLD IS 56,000 FLIGHT CYCLES AFTER REPAIR INSTALLED. REPEAT INSPECTION INTERVAL IS 36,000 FLIGHT CYCLES. ITEM IS AN "AT TASK" ENTRY, MIG 57 AND MIG 23B COMPLETED AND ATTACHED.