SDR DALA201808145084

Service difficulty report · Fseu · Boeing 757251

Difficulty date: August 10, 2018
Submitted: August 14, 2018
Operation: Air carrier
Aircraft: N551NW
Make and model: Boeing 757251
Aircraft serial: 26498
Aircraft time: 51,027 hours, 22,013 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Fseu
Condition: Faulted
Location: Te Flaps
Stage of operation: AP
How discovered: O
Nature of condition: J
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING FINAL RECEIVED A TE FLAP DISAGREE. PERFORMED QRH, AND LANDED FLAP 20. PERFORMED A BITE OF FSEU 1,2,3 IAW FIM 27-51-00. FSEU 2 FAULTED LAST LEG, FLAP ARM DISAGREE 327. FSEU 3 FAULTED, FLAP DISAGREE 305. TROUBLESHOT IAW FIM 27-51-00-815-808. REMOVED & REPLACED THE RELAY K10104, IAW WDM 27-51-31.