Service difficulty report · Transmitter · Boeing 767322

Difficulty date
December 9, 2020
Submitted
December 9, 2020
Operation
Air carrier
Aircraft
N677UA
Make and model
Boeing 767322
Aircraft serial
30029
Aircraft time
68,774 hours, 13,920 cycles
Part
Transmitter
Part number
18195820
Part serial
1774
Condition
Failed
Location
Te Flaps
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

AFTER T/O WHEN WE WENT FROM FLAPS 5 TO 1 WE GOT TRAILING EDGE FLAP DISAGEE AND FLAP STAYED AT FLAP 5 ABOVE INF IS ACCURATE, PER CREW DEBRIEF. AT ARRIVAL, BITE CHECKED FSEU AND FLT LEG 0 SHOWS C FLAP/STAB POS WITH CORRELATED FAULT MESSAGE 27-51101, FDE "TE DISAGREE" INTERMITTENT. NEED TO RESEARCH AND TS AS NECESSARY. CHECK AS NECESSARY FOR TS, PER FIM 27-51-00-815-809 PG 10 TABLE A, NEED TO ACCOMP FSPM BITE. FOUND NO CURRENT FDE OR FAULTS. PERFORMED BITE ON FSEU CONFERMED MESSAGE 27-51101 ON LEG 0. RAN FLAP/SLATS UP AND DOWN SEVERAL TIMES, AMBER CAUTION "TE FLAP DISAGREE" BETWEEN DETENTS 5-15. FLAPS NEVER STOPPED AND MESSAGE WAS ONLY MOMENTARY. PERFORMED BITE CHECK ON FSEU FAULT MESSAGE 27-51104. PERFORMED FSPM, REF FIM 27-58-00-01 FIG 104, NO FAULTS. NEED MORE T/S 839 C FLAP/STAB POSITION P50) ACP''D FIM 27-51-00-815-838 WITH EICAS "TE FLAP SHUTDOWN" SHOWN. EICAS AND RELAY K350, OPERATIONS NORMAL. ORDERED M476 FLAP POS XMTR 4 M ADJUSTMENT AND TEST, PER AMM27-51-45-822-161 REPLACED NR 4 FLAP POSITION XMITER, PER AMM27-51-45. NEED TO ACP ROTABLE PARTS CHANGE WAS INDICATED-TT NR 1070931 S/N OFF 1774 IPC REFERENCE NR 27-51-45-05 TRANSMITTER, FL OFF 76-2754-9-0002 1774 ON 76-2754-9-0002 0236 ACP ADJUSRMENT OF FLAP POSITION NR 4, PER AMM 27-51-45-822-161. FSEU BITE CHECKS GOOD. OPERATION OF FLAPS NORMAL WITH NO EICAS MESSAGES OR FLAP SHUTDOWN. POSITION INDICATION CHECKS OK. SYSTEM CHECKS OK.