SDR UIEA2025070400832

Service difficulty report · Fmc · Boeing 7673Y0

Difficulty date: July 4, 2025
Submitted: July 7, 2025
Operation: Air carrier
Aircraft: N1619A
Make and model: Boeing 7673Y0
Aircraft serial: 26208
Aircraft time: 85,269 hours, 16,799 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Part number: 4077880908
Part serial: 3115922
Condition: Odor
Location: Zone 200
Stage of operation: TX
How discovered: O
Nature of condition: B
Precautionary procedure: D

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

What was found

CAPT REPORTS ELECTRICAL ODOR IN COCKPIT AFTER BLOCK, DETERMINED CAPT FMS CDU BLANKED AND CIRCUIT BREAKER OPEN.(<P>COLLARED CIRCUIT BREAKER, PART ORDERED FOR NGO. REPLACED CA FMC CDU IAW AMM 34-61-02. CLEARED MDDR 233639. NO FURTHER DEFECTS NOTED.</P>)

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