# SDR DHL99721003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N721DH
- Make and model: Boeing 727228
- Aircraft serial: 19545
- System (JASC): [2216 · Autopilot Trim Servo](https://openairdocs.org/jasc/2216)
- Part: Servo
- Part number: 30363803
- Condition: Malfunctioned
- Location: Stab Trim
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL99721003

## Discrepancy

AUTO-PILOT AND STAB CRUISE TRIM  WILL NOT TRIM NOSE UP.  REMOVED  AND REPLACED  AUTO PILOT  STAB TRIM SERVO PER MM 22-11-211, OPS CHECK GOOD.

---
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.