SDR USAA070368

Service difficulty report · Skin · Boeing 737401

Difficulty date
May 9, 2007
Submitted
May 9, 2007
Operation
Air carrier
Aircraft
N420US
Make and model
Boeing 737401
Aircraft serial
23987
Aircraft time
50,436 hours, 50,436 cycles
Part
Skin
Part number
507945178
Condition
Cracked
Location
Door
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

FWD & AFT OK NR 5 STOP PIN ACCESS HOLE ON AFT SIDE OF TORQUE BOX HAS CRACK. INSTALLED EXTERNAL DOUBLER PER TYP REP 52-10-16, DEFECT SIZE: .5 INCH.