# SDR CALA2011111500742

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 15, 2011
- Submitted: November 15, 2011
- Operation: Air carrier
- Aircraft: [N77871](https://openairdocs.org/aircraft/N77871), registered now
- Make and model: Boeing 757-33N
- Registry model: [Boeing 757-33N](https://openairdocs.org/model/boeing-757-33n) (OpenAirDocs)
- Aircraft serial: 32526
- Aircraft time: 21,656 hours, 6,285 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Transducer
- Part number: N14FF104
- Part serial: 1930
- Condition: Inoperative
- Location: Lt Engine
- Part time: 21,656 hours, 6,285 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2011111500742

## Discrepancy

AUTOTHROTTLE FAILED TO ENGAGE DURING TAKEOFF.  CHKD & PLACARD THE AUTOTHROTTLE SERVO INOP PER MEL 22-30-01-1.  COMPLIED WITH DDP.  AIRCRAFT STATUS CAT III LAND II.  ENTERED FOR CONTRACT MX. S7932. A&P 2363300.  T/S PER FIM:22-03-00-815-833.  A/T SERVO TEST NR 10 FAILED ON 3RD ATTEMPT FOR (PLA L FAIL FWD).  REF SHEET 4, BLOCK 26 - C/P D1366 HAS 26 VAC AT PINS 2+3.  NEED LEFT ENG.  REMOVED AND REPLACED LEFT PLA TRANSDUCER IAW AMM 75-32-14.

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