Service difficulty report · Skin · Boeing 737401

Difficulty date
April 6, 2011
Submitted
April 12, 2011
Operation
Air carrier
Aircraft
N421US
Make and model
Boeing 737401
Aircraft serial
23988
Aircraft time
60,126 hours, 40,383 cycles
Part
Skin
Part number
65C26602223
Part serial
571
Condition
Cracked
Location
Le Slat
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

CLT - Q2 CHECK - LEFT WING NR 2 SLAT LOWER SKIN HAS 2 CRACKS, 31 INCHES TO 42 INCHES FROM THE INBOARD END AND 36 INCHES TO 41 INCHES FROM THE OUTBOARD END. REPAIRED LEFT WING NR 2 SLAT LOWER SKIN, 31 INCHES TO 42 INCHES FROM THE INBOARD END AND 36 INCHES TO 41 INCHES FROM THE OUTBOARD END IAW 737 SRM 57-43-01 REPAIR 6.