SDR SCNA20220805089

Service difficulty report · Flap System · Boeing 7378Q8

Difficulty date: July 26, 2022
Submitted: August 5, 2022
Operation: Air carrier
Aircraft: N813SY
Make and model: Boeing 7378Q8
Aircraft serial: 28237
Aircraft time: 63,213 hours, 24,183 cycles
System (JASC): 2751 · Trailing Flap Position Indicating System
Part: Flap System
Condition: Jammed
Stage of operation: DE
How discovered: O
Nature of condition: J, O
Precautionary procedure: K

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

What was found

DEFECT: FLAP DISAGREE ON DECSENT EXTENDED NORMALLY TO 15 ON ALTERNATE FLAPS EXTENSION. RESOLUTION: 7/28 - R/R FLAP POSITION TRANSMITTERS, R/R T525 FLAP SKEW SENSOR, ADJUSTED SKEW CONTROL, RIGGED LH FLAP POSITION TRANSMITTER, R/R RH FLAP POSITION TRANSMITTER 8/1 - #1 SKEW SENSOR FAULTED, CLEANED SKEW SENSOR CONNECTOR.

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