# SDR 98UAL900575

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 28, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N619UA
- Make and model: Boeing 767222
- Aircraft serial: 21879
- Engine: Pwa JT9D7R4D
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Fseu
- Condition: Malfunctioned
- Location: Te Flaps
- Stage of operation: AP
- Nature of condition: F, J
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98UAL900575

## Discrepancy

FLIGHT HAD EICAS ERROR/GROUND DISAGREEMENT LIGHT ILLUMINATE. EXECUTED GO-AROUND. FLAPS THEN LOCKED-OUT AT 22 DEGREES.  EMERGENCY DECLARED.  FLIGHT LANDED WITHOUT INCIDENT.  *S/D*  CAUSE:  FAILURE PROTECTION SHUTDOWN OF T/E FLAPS WAS TRIGGERED BY THE FLAP/SLAT ELECTRONIC UNIT (FSEU) SENSING A TRAILING EDGE FLAP DISAGREE CONDITION.  MAINTENANCE CLEARED ALL EXISTING FAULTS ON THE FSEU, VERIFIED PROPER OPERATION OF T/E FLAP POSITION TRANSMITTERS AND FLAP ROTARY ACTUATORS PER MM.  FINAL OPERATIONAL CHECKS PER MM FOUND ALL OK.

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