# SDR 20001011SH009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2000
- Submitted: October 11, 2000
- Operation: Air carrier
- Aircraft: [N251LF](https://openairdocs.org/aircraft/N251LF), registered now
- Make and model: Boeing 737-2L9
- Registry model: [Boeing 737-2L9](https://openairdocs.org/model/boeing-737-2l9) (OpenAirDocs)
- Aircraft serial: 22408
- Aircraft time: 39,093 hours, 27,138 cycles
- Engine: Pwa JT8D17
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Power Supply
- Part number: 8TJ95GAB3
- Part serial: B9199
- Condition: Erratic
- Location: Fuel Flow
- Stage of operation: CL
- How discovered: O
- Nature of condition: E, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20001011SH009

## Discrepancy

SJO/PTY - FLT LR625 - A STRONG VIBRATION WAS FELT AFTER TAKEOFF AND L/E LIGHT ILLUMINATED.  A CONTINUOUS OSCILLATION ON BOTH FUEL FLOW INDICATORS WAS NOTED.  THE AIRCRAFT RETURNED TO SAN JOSE STA FOR  MAINTENANCE.  AFTER AN UNEVENTFUL LANDING AT SAN JOSE STA, MAINT TECHS PERFORMED INSPECTION OF LEADING AND TRAILING EDGE SLATS AND FLAPS.  FOUND ON NR 5 SLAT TRACK A, BUSHING DAMAGE.  REMOVED AND REPLACED PER AMM 20-10-71.  TEST ON SLATS AND FLAPS SYSTEM WAS PERFORMED PER AMM 27-81.  NO DISCREPANCY NOTED.  THE FUEL FLOW POWER SUPPLY WAS REMOVED AND REPLACED PER AMM 73-31-21.  ENGINE RUN-UP PERFORMED PER AMM 71-00.  NO FAULT NOTED. AIRCRAFT RETURNED TO NORMAL OPERATION.  (X)

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