# SDR NWAA071129880

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2007
- Submitted: March 23, 2007
- Operation: Air carrier
- Aircraft: N675MC
- Make and model: Doug DC-9-51
- Registry model: [Doug DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Aircraft serial: 47651
- Aircraft time: 68,093 hours, 56,447 cycles
- Engine: Pwa JT8D17
- Engine time: 54,017 hours, 50,429 cycles
- System (JASC): [7310 · Engine Fuel Distribution](https://openairdocs.org/jasc/7310)
- Part: Manifold
- Part number: 629195
- Condition: Cracked
- Location: Fuel System
- Stage of operation: TO
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NWAA071129880

## Discrepancy

DURING TAKEOFF, THE TOWER REPORTED EXCESSIVE SMOKE FROM THE NR 1 ENGINE.  FLIGHT CREW ALSO REPORTED HIGHER FUEL FLOW FROM THE NR 1 ENGINE.  THE FLIGHT CONTINUED TO DTW AND LANDED WITHOUT INCIDENT.  MAINTENANCE FOUND A CRACKED PRIMARY FUEL MANIFOLD.  REMOVED AND REPLACED THE NR 1 ENGINE, TESTED AND RETURNED TO SERVICE.

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