SDR IPXA2025042377738

Service difficulty report · Transmission · Boeing 75724APF

Difficulty date: April 22, 2025
Submitted: April 23, 2025
Operation: Air carrier
Aircraft: N405UP
Make and model: Boeing 75724APF
Aircraft serial: 23727
Aircraft time: 39,396 hours, 26,626 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Transmission
Condition: Tripped
Location: Te Flaps
Stage of operation: AP
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

EMERGENCY DECLARED, ON APPROACH FLAP SELECTOR TO 25 TE FLAP DISAGREE EICAS, FLAPS REMAIN 20, USED CHECKLIST ALT. FLAPS TO 25 T/S REF FIM 27-51 FAULT TREE 808, FOUND LH WING FLAP TRANSMISSIONS #1 & #4 OVERLOAD INDICATORS POPPED. SEE BARCODES T3F18E006J294 & T3F18E006J295 FOR WORK PERFORMED ON TRANSMISSIONS. OPEN

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