Service difficulty report · Frame · Boeing 737724

Difficulty date
February 21, 2013
Submitted
March 1, 2013
Operation
Air carrier
Aircraft
N23721
Make and model
Boeing 737724
Aircraft serial
28940
Aircraft time
47,402 hours, 15,754 cycles
Part
Frame
Part number
146A11021
Condition
Cracked
Location
Bs 727b
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 AT BS 727B BETWEEN STRINGER 8 AND 9R SHOW CRACK INDICATIONS AT INNER FASTENER OF AIR CONDITION OUTLET SUPPORT ATTACHMENT BRACKET. FABRICATED AND INSTALLED REPAIR FRAME AND DOUBLER AT STA BETWEEN STRINGER 8R AND 9R IAW EA 5310-04716, REV D.