SDR CALA2022022400499

Service difficulty report · Sensor · Boeing 737800*

Difficulty date: February 24, 2022
Submitted: February 25, 2022
Operation: Air carrier
Aircraft: N26232
Make and model: Boeing 737800*
Aircraft serial: 28942
Aircraft time: 69,265 hours, 25,845 cycles
System (JASC): 2700 · Flight Control System
Part: Sensor
Condition: Failed
Location: Flap 4
Stage of operation: TO
How discovered: O
Nature of condition: J
Precautionary procedure: C

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

What was found

LE FLAPS EXT FLICKERD ON TAKEOFF INIT PWR UP GOT TAKEOFF CONFIG WRN ABORTED T/O APPX 10KTS UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. ACCOMPLISH FSEU BITE, CONTACT TOMC. PER FIM 27-88 TASK 805 FOUND RECENT LEG FAULT LE FLAP 4 RETRACT RETRACTING.PER AMM 27-88-11-700. FAULT. REMOVED AND REPLACED LE FLAP 4 PROXIITY SENSOR IAW 27-88-11. OPS CHECK GOOD, NO EXISTING FAULTS FOUND ON BITE CHECK OF FSEU, AND NO FLICKERING WHEN INTRANSIT, EXTENDING OR ADD EMP:U347675

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