SDR IPXA2020090960035

Service difficulty report · Warning Message · Boeing 75724APF

Difficulty date: September 8, 2020
Submitted: September 9, 2020
Operation: Air carrier
Aircraft: N446UP
Make and model: Boeing 75724APF
Aircraft serial: 27735
Aircraft time: 33,458 hours, 18,148 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Warning Message
Condition: Illuminated
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

INSPECTION TYPE: SDR FILED OPEN, EMERGENCY DECLARED, LANDED WITHOUT INCIDENT. EMERGENCY TRUCKS WERE WAITING DURING LANDING, UPON SELECTION OF FLAPS 20 EICAS TE FLAPS DISAGREE. T/S PER FIM 27-51-00-818-808 BLOCK (STEP) NR 3. FOUND TRIP INDICATOR ON NR 5 TRANSMISSION. RESET & OPERATED SYS SEV TIMES. INDICATOR DID NOT TRIP AGAIN. NO FURTHER FAULTS FOUND. MONITORED RT WING FLAP NR 5 TRANSMISSION FOR 20 DAYS, REF FIM 27-51-00-815-808 BLOCK 58. NO EICAS MSG OR TRIPS. SYSTEM OPS CHECKS GOOD, IAW AMM 27-51-00-715-001.

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