# SDR AALA201903119020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2019
- Submitted: March 11, 2019
- Operation: Air carrier
- Aircraft: [N809NN](https://openairdocs.org/aircraft/N809NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33519
- Aircraft time: 30,139 hours, 11,972 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Flap System
- Condition: Malfunctioned
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201903119020

## Discrepancy

ON APPROACH, THE CREW REPORTED A FLAPS ISSUE.  TRAILING EDGE FLAPS WOULD NOT EXTEND AND INDICATED AN ASYMMETRY INDICATION.  LEADING EDGE FLAPS EXTENDED VIA ALTERNATE FLAP EXTENSION.  AMBER LEADING EDGE FLAP TRANSIT LIGHT ILLUMINATED.  AN EMERGENCY WAS DECLARED AND LANDED WITHOUT FUTHER INCIDENT.  THE AIRCRAFT WAS GROUNDED.  MAINTENANCE ACCOMPLISHED FIM 27-59-00-810-803, INSPECTED THE MECHANISM AND SUPPORT WHILE OPERATING TRAILING EDGE FLAPS, NO FAULTS NOTED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
