# SDR MALA040583

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2004
- Submitted: September 30, 2004
- Operation: Air carrier
- Aircraft: N452XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B452
- Aircraft time: 13,719 hours, 14,986 cycles
- System (JASC): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Altimeter
- Part number: 641119001
- Part serial: 4069
- Condition: Malfunctioned
- Location: First Officers
- Stage of operation: CL
- How discovered: O
- Nature of condition: P
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA040583

## Discrepancy

DURING CLIMBOUT OF MSP, NOTICED THE F/O'S ALTIMETER BEGIN TO LAG ABOUT 500 FEET BEHIND THE CAPTAINS ALTIMETER.  WHEN LEVELED OUT AT 7000 FEET THE F/O ALTIMETER READ ABOUT 400 FEET LOWER THAT CAPTAINS AND STANDBY ALTIMETERS.  MAINTENANCE REPLACED F/O'S ALTIMETER P/N ON-OFF 64111-900-1, S/N ON 2519, S/N OFF 4069.  NR 2 PITOT/STATIC SYSTEM OPS/LEAKS CHECSK GOOD IAW SF340 MM CH 34.

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