Service difficulty report · Bulkhead · Boeing 727225

Difficulty date
October 22, 2007
Submitted
February 18, 2008
Operation
Air carrier
Aircraft
N748DH
Make and model
Boeing 727225
Aircraft serial
22440
Aircraft time
46,617 hours, 27,939 cycles
Part
Bulkhead
Condition
Cracked
Location
Bs 870
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

RIGHT WW BS 870 BELOW LEAD CONTROL VALVE, BULKHEAD HAS 2 INCH CRACK. CUT OUT DAMAGED AREA BELOW APU LEAD CONTROL, CUT OUT 2" BY .75". FABRICATED AND INSTALLED REPAIR DOUBLERS IAW SRM 53-10-9 FIGURE 5. HEAT TREATED TO 150-190 KSI PER SPEC PO NR 7307279. ALL PARTS TREATED AND PRIMED IAW SRM 51-10-2.