SDR SWAA2023032016717

Service difficulty report · Flap System · Boeing 7378H4

Difficulty date: March 14, 2023
Submitted: March 20, 2023
Operation: Air carrier
Aircraft: N8514F
Make and model: Boeing 7378H4
Aircraft serial: 36975
Aircraft time: 20,479 hours, 9,807 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Flap System
Condition: Locked
Location: Zn 500 Left Wing
Stage of operation: AP
How discovered: 9
Nature of condition: O
Precautionary procedure: K

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

What was found

FLAPS WOULD NOT EXTEND BEYOND5 DURING APPROACH<[01] RE-SET-?ELECTRIC FLAPS? TO NORMAL & SET TRIM TAB WITHIN GREEN BAND & CYCLED FLAPS FULL UP/DOWN SEVERAL TIMES PER AMM 27-81-00 OPS NORMAL. OK FOR CONTINUED SERVICE;[02] RE-SET-?ELECTRIC FLAPS? TO NORMAL & SET TRIM TAB WITHIN GREEN BAND & CYCLED FLAPS FULL UP/DOWN SEVERAL TIMES PER AMM 27-81-00 OPS NORMAL. OK FOR CONTINUED SERVICE. CHECKED BOTH FLAP TRANSMISSION INDICATORS - NORMAL;[03] C/W

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