# SDR MYWA110016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2011
- Submitted: February 8, 2011
- Operation: Air carrier
- Aircraft: N733MA
- Make and model: Boeing 737-81Q
- Registry model: [Boeing 737-81Q](https://openairdocs.org/model/boeing-737-81q) (OpenAirDocs)
- Aircraft serial: 30619
- Aircraft time: 25,659 hours, 9,243 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Condition: Inoperative
- Location: Nr 2 Engine
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MYWA110016

## Discrepancy

ETOPS SIGNIFICANT SYSTEM:  NR 2 ENGINE "B" LOOP FIRE DETECTION INOP, FAULT FAN UPPER.  ACFT DOWNGRADED TO 120 MINS ETOPS.  REMOVED AND REPLACED NR 2 ENGINE FAN UPPER "B" LOOP FIRE DETECTION IAW AMM 26-11-01.  OPS CHECK GOOD.

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