# SDR AALA201811289001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 2018
- Submitted: November 29, 2018
- Operation: Air carrier
- Aircraft: [N952AA](https://openairdocs.org/aircraft/N952AA), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30088
- Aircraft time: 53,529 hours, 22,189 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7520 · Engine Cooling System](https://openairdocs.org/jasc/7520)
- Part: Control Valve
- Part number: 32911865
- Part serial: GRTV6253
- Condition: Leaking
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201811289001

## Discrepancy

WHITE SMOKE REPORTED BY TOWER. ENGINE INDICATIONS NORMAL, EXCEPT NR 1 ENGINE FUEL FLOW A BIT HIGHER AND FUEL CONSUMPTION 50 LBS PER MINUTE HIGHER THAN LEFT.  DIVERTED.  THE AIRCRAFT WAS GROUNDED. MAINTENANCE  REMOVED AND REPLACED THE NR 1 ENG HPT ACC IAW AMM 75-21-01.

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