Service difficulty report · Fseu · Boeing 757204

Difficulty date
November 2, 2022
Submitted
November 3, 2022
Operation
Air carrier
Aircraft
N927FD
Make and model
Boeing 757204
Aircraft serial
27220
Aircraft time
71,578 hours, 27,884 cycles
Part
Fseu
Part number
285N001140
Part serial
000350
Condition
Failed
Location
Te Flaps
Stage of operation
AP
How discovered
O
Nature of condition
F
Precautionary procedure
B

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

What was found

GOING FROM FLAPS 0 TO 1 RECEIVED A TE FLAP DISAGREE. INDICATOR FROZEN BETWEEN 0 & 1. ACCOMPLISHED QRH & LANDED CDG. EMERGENCY DECLARED. AMM 27-51-01-2 NO HISTORY FOR TE DISAGREE ALERT, NO EXISTING FAULT & NO PREVIOUS FLIGHT FAULT IN ALL THREE FSEU'S, T/S IAW SCHM 27-51-06 SHEET 1 & TIP 18-0042 , THIS ALERT IS ONLY TRIGGERED BY FSEU 1 WITH THE FLAP LEVER SENSOR TS5046, R & R FSEU 1 IAW MM 27-51-01-2, INSPECTED ALL FLAP TRANSMISSIONS FOR OIL LEVEL, GREASE & OVERLOAD INDICATOR IAW AMM 12-13-06/301. OIL LEVELS & GREASE OK, OVERLOAD INDICATOR OK. CYCLED 5 TIMES WITH HYD FLAPS & SLATS, NO DEFECTS FOUND, ALSO INSPECTED CORRECT MOVEMENT OF PDU BYPASS VALVE IAW FIM 27-51 FT 808, TESTED OK, ACFT OK FOR SERVICE.