# SDR DHL2001727024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2001
- Submitted: July 26, 2001
- Operation: Air carrier
- Aircraft: [N727DH](https://openairdocs.org/aircraft/N727DH), registered now
- Make and model: Boeing 727228
- Aircraft serial: 20204
- System (JASC): [2213 · Flight Controller](https://openairdocs.org/jasc/2213)
- Part: Control Unit
- Condition: Defective
- Location: Autopilot Sys
- Stage of operation: AP
- How discovered: O
- Nature of condition: F
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL2001727024

## Discrepancy

AUTO-PILOT ON AUTOGLIDE SLOPE ABOUT 300 AGL STAB OUT OF TRIM LIGHT ILLUMINATED THEN AIRCRAFT AGGRESSIVELY WENT NOSE DOWN, BELOW GLIDE SLOPE.REPLACED PITCH CONTROL UNIT IAW B727 MM 22-11-101 OPS CK GOOD

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