SDR UIEA2020081171730

Service difficulty report · Circuit Card · Boeing 76733A

Difficulty date: August 7, 2020
Submitted: August 11, 2020
Operation: Air carrier
Aircraft: N1997A
Make and model: Boeing 76733A
Aircraft serial: 27310
Aircraft time: 98,611 hours, 20,326 cycles
System (JASC): 2612 · Fire Detection
Part: Circuit Card
Part number: 285N002936
Part serial: D08564
Condition: Failed
Location: Fire Detection
Stage of operation: NR
How discovered: 9
Nature of condition: O
Precautionary procedure: O

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

What was found

AFT CARGO DECK SMOKE DETECTOR NR 2 WAS INOPERATIVE. TROUBLESHOT THE AFT CARGO SMOKE DETECTOR IAW FIM 26-10, FT 803, AND FIM 26-16, FT 806, BLK 1, AND 50. REMOVED AND REPLACED THE CARGO FIRE CIRCUIT CARD M10427 IAW AMM 26-10-01. CHECKED GOOD,

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