# SDR AALA20161110008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 2016
- Submitted: November 10, 2016
- Operation: Air carrier
- Aircraft: N555AN
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 53085
- Aircraft time: 73,297 hours, 38,338 cycles
- System (JASC): [7711 · Engine Pressure Ratio (EPR)](https://openairdocs.org/jasc/7711)
- Part: Computer
- Part number: LG80E1
- Part serial: L0225
- Condition: Faulted
- Location: Nr 1 Epr
- Part time: 29,338 hours, 16,069 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20161110008

## Discrepancy

DURING TAKE OFF ROLL THE NR 1 ENGINE DID NOT ACCELERATE PAST 1018 EPR. THE TAKE OFF WAS ABORTED AT APPROXIMATELY 25 KNOTS. MAINTENANCE REMOVED AND REPLACED THE NR 1 EPR INDICATOR AND NR 1 EPR COMPUTER ASSEMBLY AND ACCOMPLISHED SATISFACTORY ENGINE RUN IAW AMM 77-11-02-77-10-00 AND 72-00-00. SYSYTEM CHECKS NORMAL.  AIRCRAFT WAS GROUNDED.

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