Service difficulty report · Frame · Boeing 767223

Difficulty date
February 16, 2024
Submitted
February 19, 2024
Operation
Air carrier
Aircraft
N312AA
Make and model
Boeing 767223
Aircraft serial
22315
Aircraft time
93,302 hours, 24,080 cycles
Part
Frame
Part number
148T27403
Condition
Cracked
Location
Bulkhead
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

DATUM AIRCRAFT IS IN CPZ FOR C24 MAINTENANCE CHECK. CPZ WAS TASKED WITH ACCOMPLISHING INSPECTIONS OF THE STA 1809.5 DATUM AIRCRAFT IS IN CPZ FOR C24 MAINTENANCE CHECK. CPZ WAS TASKED WITH ACCOMPLISHING INSPECTIONS OF THE STA 1809.5 BULKHEAD OUTER CHORD (LH) AS PER ABX JC 5380-0001-002 (SB 767-53A0078 PART 1 INSTRUCTIONS AND FIGURE 2). DURING THIS ACCOMPLISHMENT, HOLE 51 WAS FOUND CRACKED AND PERMANENT REPAIR WAS ACCOMPLISHED PER ABX JC 5380-0001-002 (SB 767-53A0078 PART 1 AND PART 4), AT 148T2740-9 FORWARD FRAME. HOWEVER, A CRACK INDICATION WAS PRESENT AT HOLE # 49 AND WAS REAMED TO 0.281-INCH DIAMETER THRU 148T2740-3 WEB AND 148T2740-1 BULKHEAD. THE ABX JC 5380-0001-002 (SB 767-53A0078) STATES TO CONTACT BOEING FOR REPAIR.REPAIRED IAW ABX-REA-5380-65254-00 AND REO-G24801 REV IR ,BAC-REA-5380-65254 AND HAECO REO-G24801. (LH) AS PER ABX JC 5380-0001-002 (SB 767-53A0078 PART 1 INSTRUCTIONS AND FIGURE 2). DURING THIS ACCOMPLISHMENT, HOLE 51 WAS FOUND CRACKED AND PERMANENT REPAIR WAS ACCOMPLISHED PER ABX JC 5380-0001-002 (SB 767-53A0078 PART 1 AND PART 4), AT 148T2740-9 FORWARD FRAME. HOWEVER, A CRACK INDICATION WAS PRESENT AT HOLE # 49 AND WAS REAMED TO 0.281-INCH DIAMETER THRU 148T2740-3 WEB AND 148T2740-1 BULKHEAD. THE ABX JC 5380-0001-002 (SB 767-53A0078) STATES TO CONTACT BOEING FOR REPAIR.REPAIRED IAW ABX-REA-5380-65254-00 AND REO-G24801 REV IR ,BAC-REA-5380-65254 AND HAECO REO-G24801.