# SDR 04257621

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2004
- Submitted: September 15, 2004
- Operation: Air carrier
- Aircraft: N621BR
- Make and model: Cndair CL6002B19
- Aircraft serial: 7186
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Fcu
- Condition: Failed
- Location: Te Flaps
- Stage of operation: CR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/04257621

## Discrepancy

FLAPS HALF SPEED.  UPON INTERROGATING FECU, FOUND FAULTS 1) FECU 2) FECU/BPSU MISRIG, 3) EITHER BPSU.  CHECKED RIGGING OF FECU & BPSUS AND NOTICED FECU GIVING ERRONIOUS POTENTIOMETER READINGS.  REMOVED AND REPLACED FECU IAW MM 27-51-05.  PERFORMED RIGGING OF BPSUS IAW MM 27-51-10.  OPERATIONAL CHECK OF FLAPS GOOD REF MM 27-54-00.  NO FURTHER FLAP FAIL OR FLAPS HALFSPEED MSGS NOTED AT THIS TIME.

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