Service difficulty report · Bulkhead · Boeing 737724

Difficulty date
December 7, 2017
Submitted
December 9, 2017
Operation
Air carrier
Aircraft
N13716
Make and model
Boeing 737724
Aircraft serial
28787
Aircraft time
62,493 hours, 21,762 cycles
Part
Bulkhead
Part number
111A1111
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 INDICATION OBTAINED FROM HFEC INSP ON CENTER WING BOX REAR SPAR VERTICAL PRESSURE DECK BETWEEN RBL40 RBL 45.64 LOCATED BETWEEN WL200.6 WL 192 PAR BETWEEN RBL 40-RBL45-64. BETWEEN WL 200.6-WL 192. REF B737-7 SRM 57-10-10 FIG 204. REPAIRED CRACKED VERICAL PRESSURE DECK ON CENTER WING BOX REAR S DIP TO REQUIRE INSPECTION AT 56000 F/C AFTER REPAIR INSTALLATION PER PARA 6 TABLE 204 TOMC APPROVED INSPECTION REQUIREMENTS PER SRM 57-10-10 REPAIR 3 PARBETWEEN RBL 40-RBL45-64. BETWEEN WL 200.6-WL 192. REF B737-7 SRM 57-10-10 FIG 204. THIS IS A CATEGORY B REPAIR AND REQUIRES I NSPECTION AT 56,000 FLIGHT CYCLES AFTER REPAIR INSTALLATION PER PARA 6 TABLE 204