# SDR DALA2026042202594

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2026
- Submitted: April 22, 2026
- Operation: Air carrier
- Aircraft: [N178DN](https://openairdocs.org/aircraft/N178DN), registered now
- Make and model: Boeing 767332
- Aircraft serial: 25143
- Aircraft time: 145,959 hours, 21,573 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Transmitter
- Condition: Out Of Adjust
- Location: Flap Sys
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026042202594

## Discrepancy

FCNT/DE- DECLARED EMERGENCY ON APPROACH AND PERFORMED GO-AROUND DUE TO TRAILING EDGE FLAP ASYMMETRY INDICATION.   ADJUSTED #1, 3 AND 4 FLAP TRANSMITTERS AND RESET #8 ROTARY ACTUATOR. OPS TEST GOOD.(8439472) (AIRCRAFT GROUNDED)

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