# SDR 05FDEA00520

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2005
- Submitted: March 16, 2005
- Operation: Air carrier
- Aircraft: [N275FE](https://openairdocs.org/aircraft/N275FE), registered now
- Make and model: Boeing 727233
- Aircraft serial: 22040
- Aircraft time: 40,500 hours, 25,381 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Part number: HG480B13
- Part serial: H1629
- Condition: Malfunctioned
- Location: Cockpit
- Part time: 7,238 hours, 4,091 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: P
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/05FDEA00520

## Discrepancy

REJECTED TAKEOFF.  REMOVED AND REPLACED AIR DATA COMPUTER IAW MM 34-12-011-4.  GRD CK OK.  A/C DOWN GRADED TO NOT CAT II.  A/P NR 1 CK CAT II  A/P NR 2 CK CAT II  PREMATURE REMOVAL/INSTALLATION  OFF MFG HG480B13.

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