Service difficulty report · Doubler · Boeing 757232

Difficulty date
February 22, 2016
Submitted
February 23, 2016
Operation
Air carrier
Aircraft
N652DL
Make and model
Boeing 757232
Aircraft serial
24392
Aircraft time
87,049 hours, 36,361 cycles
Part
Doubler
Condition
Cracked
Location
Bs 954
Stage of operation
IN
How discovered
E
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 ON EXTERNAL DOUBLER AT BS 954 BETWEEN STR 14R-15R, POSSIBLE FRETTING/INTERGRANULAR CORROSION. ACCOMPLISHED BLEND OUT OF DEFECTS ON EXTERNAL DOUBLER AT BS 954 BETWEEN STR 14R-15R IAW ERA 472309-14, REV C, PERFORMED LFEC INSP OF AREA IAW NDTM PT 6, 53-00-06 NO DEFECTS NOTED. CONTINUE WITH SUPPLEMENTAL INSPECTION PRIOR TO 37,500 TOTAL ACFT CYCLES AND REPETITIVELY EVERY 12,000 CYCLES REF LOG 2294323 FOR INSPECTION.