# SDR FDEA202212062879

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2022
- Submitted: December 7, 2022
- Operation: Air carrier
- Aircraft: [N668FE](https://openairdocs.org/aircraft/N668FE), registered now
- Make and model: Airbus A300 F4-605R
- Registry model: [Airbus A300 F4-605R](https://openairdocs.org/model/airbus-industrie-a300-f4-605r) (OpenAirDocs)
- Aircraft serial: 772
- Aircraft time: 35,418 hours, 20,073 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Fire Loop
- Part number: 2240153507
- Condition: Shorted
- Location: Nr 2 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202212062879

## Discrepancy

ON DEPARTURE FROM MEM, PASSING 13,000, NR 2 ENGINE FIRE WARNING. ACCOMPLISHED RED ECAMS SHUTTING NR2 ENGINE DOWN. ABNORMAL GREEN & YELLOW HYD INDICATIONS. AFTER BOTH FIRE BOTTLES FIRED,  CONTINUED TO HAVE NR 2 FIRE WARNING. DECLARED EMERGENCY AND RETURNED TO MEM.   AFTER LANDING THE FIRE DEPARTMENT VERIFIED THERE WAS NOT A FIRE DESPITE INDICATIONS IN COCKPIT .  CONNECTED TEST BOX TO AIRFRAME SIDE OF CONNECTOR VC4967. WITH CORRECT TOTAL LOOP RESISTANCE SELECTED, LOOP A LIGHT EXTINGUISHED. CHECKED LOOP A RESISTANCE FROM VC4967 AND FOUND 1488 OHMS. CHECKED LOOP A FOR GROUND AND FOUND A SHORT TO GROUND ON UPPER TURBINE RT LOOP A. R & R NR 2 ENG RT UPPER TURBINE FIRE LOOP A IAW MM 26-12-12-04-02. OPS CHECKED GOOD.

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