# SDR 05FDEA00519

- 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
- Condition: Malfunctioned
- Location: Cockpit
- 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/05FDEA00519

## Discrepancy

REJECTED TO AT 80 KTS.  RAN RTO CHECKLIST.  NO AIRSPEED ON CAPT'S AIRSPEED INDICATOR.  REMOVED AND REPLACED AIR DATA COMPUTER IAW MM 34-12-011-4.  A/C DOWN GRADED TO NOT CAT II.  A/P NR 1 CK CAT II  A/P NR 2 CK CAT II.  R/I FROM FACT  PREMATURE REMOVAL/INSTALLATION  OFF MFG HG480B13.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.