# SDR DHL2001720010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2001
- Submitted: May 10, 2001
- Operation: Air carrier
- Aircraft: N720DH
- Make and model: Boeing 727228
- Aircraft serial: 19544
- System (JASC): [3450 · Dependent Position Determining System](https://openairdocs.org/jasc/3450)
- Part: Receiver
- Part number: 5224280105
- Part serial: B9612
- Condition: Faulty
- Location: E/E Bay
- 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/DHL2001720010

## Discrepancy

A/C PITCHES UP & DOWN ON ILS IN A & B MODE. R&R NAV UNIT IAW MM REF 34-31-21. GRND OP CK OK.

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