Service difficulty report · Indicator · Boeing 737900ER

Difficulty date
February 1, 2023
Submitted
February 1, 2023
Operation
Air carrier
Aircraft
N67812
Make and model
Boeing 737900ER
Aircraft serial
43530
Aircraft time
30,174 hours, 10,794 cycles
Part
Indicator
Part number
2061151
Part serial
5201
Condition
None
Location
Trailing Edge Fl
Stage of operation
DE
How discovered
O
Nature of condition
O
Precautionary procedure
B

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

What was found

FLAPS DO NOT OPERATE WITH PRIMARY CONTROL TRAILING EDGE FLAPS DID NOT DEPLOY. PERFORMED ALT EXTENSION WAS SMOOTH, NO INDICATION OF FLAP LEVER MALFUNCTION. F/O STATES THAT CREW MOVED FLAP LEVER TO POSITION 1 AND NO HYDRAULIC ISSUES OR INDICATIONS. MAINTENANCE MOVED FLAPS OUT INDICATION STUCK IN THE MIDDLE OF POSITIONS "UP" AND 1. MOVED OF ALETERNATE EXTENSION MODE AND BROUGHT FLAPS AND SLATS UP FLAP LEVER BACK TO "UP" POSITION AND SAW NO MOVEMENT ON HYDRAULICALLY. ALL INDICATIONS NORMAL AND NO HYDRAULIC LEAKS INDICATOR. USED ALTERNATE EXTENSION WITH NO ISSUE. FLAP LEVER NOTED. FURTHER T/S REQUIRED. D AND INSTLD SVCBL UNIT PER AMM27-58-01, P/N 9000453-2, ON S/N-2 196/ OFF 2240 COMPLETED UP TO G PER TASK27-58-01-400-801 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1760127 SN OFF 5201 AHM REPORTS LEFT FLAP POS 19.18 RIGHT FLAP POSITION 14.65 FSEU B INTERROGATED FSEU, ONLY CURRENT FAULT WAS 27-52260, USED FIM27-5 ITE SHOWS FAULT 27-52260 LEADS TO FIM TASK 27-51 TASK 820. PLEAS 1-820 RPL INDICATOR, POSITION,FLAP S/N ON 5481/ OFF 5201, PER A E REPLACE FLAP POSITION INDICATOR AND RIGHT FLAP POSITION TRANSM MM27-58-02, OPS CHKD PER SAME, SYS OPS NORM. RTRND A/C BACK TO N ITTER ORM. LATE IN PROCESS MGMT REQ CHANGE RH XMTER, FLAP POS IND. RMV ADD FAULT: 27-52260 INDICATOR, POSI OFF 29-2758-9-0001 5201 ON 29-2758-9-0001 5481 COMPLETED INSTALLATION OF RIGHT FLAP POSITION TRANSMITTER AND ADJUSTED REF AMM 27-58-01-820-801 AND ACCOMPLISHED OPS CHECKS REF AMM 27-58-02-409-801 ALL CHECKS PASSE

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