Service difficulty report · Control Unit · Doug MD11F

Difficulty date
July 30, 2024
Submitted
July 30, 2024
Operation
Air carrier
Aircraft
N618FE
Make and model
Doug MD11F
Aircraft serial
48754
Aircraft time
84,504 hours, 20,600 cycles
Part
Control Unit
Part number
80380303
Part serial
670
Condition
False Activation
Location
Nr 1
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

ON DEPARTURE AFTER APPROXIMATELY 5 MINUTES OF FLIGHT, RECEIVED #1 ENGINE FIRE LIGHTS AND BELL. NO OTHER FIRE INDICATIONS WERE PRESENT. AFTER RETARDING #1 THROTTLE TO IDLE (AS PER QRH), FIRE WARNINGS WENT AWAY AND DID NOT RETURN. FIRE SYSTEM TESTED AFTER EVENT AND TESTED GOOD. ENGINE WAS RETURNED TO FULL POWER WITH NO ADDITIONAL EVENTS. MEL 30JUL24 08:02 OAK RELEASED FOR SERVICE PER MEL : 26-11-01 CATEGORY : C EXPIRATION : 09AUG24 "MEL 26-11-01: ENG NO. 1 FIRE DETECTION LOOP A - INOP." RTS PASSED. REMOVED AND REPLACED #1 FDCU REF AMM 26-11-02-4. OPS CHECK GOOD.

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