Service difficulty report · Frame · Boeing 727225

Difficulty date
December 4, 2007
Submitted
February 17, 2008
Operation
Air carrier
Aircraft
N742DH
Make and model
Boeing 727225
Aircraft serial
21290
Aircraft time
60,719 hours, 38,406 cycles
Part
Frame
Condition
Damaged
Location
Bs 380 S10r
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

FUSELAGE FRAME STATION 380, FRAME AND STRAPS HAVE NUMEROUS HOLES DRILLED THROUGH FROM STRINGER 5R TO STRINGER 10R. REMOVED STRAPS AND FRAME ATTACHED PARTS FOR ACCESS IAW B-727 SRM 51-30-2. CUT OUT DAMAGED SECTION OF FRAME (DIMENSION 26" BY 5") IAW B-727 SRM 51-10-1. FABRICATED NEW FRAME SECTION FROM 7075-0 0.080" PO NR 9005314 (DIMENSION 26.75" BY 5") AND REPAIR ANGLE FROM 7075-0 0.090" PO NR 7185240 (DIMENSION 9.25" BY 3.25") IAW B-727 SRM 51-40-3 FIGURE 1 AND 53-10-2 FIGURE 3. HEAT TREATED PARTS TO T6 IAW FAS ENGINEERING REPORT NR 2-37153-801 REV A. TREATED AND PRIMED PARTS IAW B-727 SRM 51-10-2. INSTALLED REPAIR PARTS AT FRAME STATION 380 STRINGER 5R TO 10R IAW B-727 SRM 51-40-3 FIGURE 1 AND 51-30-2. REINSTALLED STRAPS AND ATTACHED PARTS IAW B-727 SRM 51-30-2.