What was found
AIRCRAFT LANDED UNDER AMBER ALERT DUE TO LEADING EDGE FLAP DISAGREE INDICATION. TROUBLESHOOTING IDENTIFIED A FAILED NR 4 FLAT EXTEND SWITCH. THE SWITCH WAS REPLACED AND THE SYSTEM WAS TESTED TO ENSURE PROPER OPERATION.
- Difficulty date
- June 15, 2003
- Submitted
- July 8, 2003
- Operation
- Air carrier
- Aircraft
- N955UA
- Make and model
- Boeing 737522
- Aircraft serial
- 26703
- Aircraft time
- 28,426 hours, 18,015 cycles
- Engine
- Ge CFM56*
- System (JASC)
- 2781 · Leading Edge Slat Position Indicating System
- Part
- Switch
- Part number
- 10612229
- Part serial
- NA
- Condition
- Intermittent
- Location
- Contacts
- Stage of operation
- AP
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.