SDR ASMF20180625003

Service difficulty report · Circuit Breaker · Boeing 73783N

Difficulty date: May 2, 2018
Submitted: June 25, 2018
Operation: Air carrier
Aircraft: N860AM
Make and model: Boeing 73783N
Aircraft serial: 28249
Aircraft time: 52,100 hours, 24,100 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Circuit Breaker
Condition: Failed
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

CAPTAIN REPORTED THAT DURING APPROACH, FLAPS DISAGREE DISPLAYED WHEN SELECTING FLAPS 1, FLAPS STAYS IN UP POSITION, USING ALTERNATE FLAPS FOR LANDING WITH FLAPS 30. MAINTENANCE PERFORMED A BITE OF THE FSEU IAW FIM 27-51, TASK 801. FAILURE CODE 27-53280 DISPLAYED. THE CIRCUIT BRAKER P6-2A-11 (CO1443) WAS REPLACED IAW WDM 27-52-11, TESTED CORRECT.

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