What was found
ANTI-ICE SPRAY TUBE IS CRACKED INSIDE OF NR 4 SLAT LEADING EDGE AT INBOARD CUTOUT. REPLACED NR 4 SLAT IAW B737 AMM 27-81-21-4.
- Difficulty date
- May 9, 2011
- Submitted
- May 25, 2011
- Operation
- Air carrier
- Aircraft
- N421US
- Make and model
- Boeing 737401
- Aircraft serial
- 23988
- Aircraft time
- 60,126 hours, 40,383 cycles
- System (JASC)
- 3010 · Airfoil Anti/De-ice System
- Part
- Tube
- Condition
- Cracked
- Location
- Le Slat
- Part time
- 60,125 hours, 40,383 cycles
- 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.