# SDR DALA2023120109880

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2023
- Submitted: December 1, 2023
- Operation: Air carrier
- Aircraft: [N838MH](https://openairdocs.org/aircraft/N838MH), registered now
- Make and model: Boeing 767432ER
- Aircraft serial: 29711
- Aircraft time: 91,668 hours, 16,298 cycles
- System (JASC): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2023120109880

## Discrepancy

SHIP 1814 -RVSM- ALT DISAGREE AT FL330 RIGHT ALTIMETER 250 FEET HIGHER THAN LEFT AND CENTER ,RAN QRH AND SELECTED CO-PILOT AIR DATA TO "L". OUT OF TOLERANCE FOR 5 HOURS, LAST 1HR OF FLIGHT WAS WITHIN 50 FEET OF EACH OTHER. CORRECTIVE ACTION: R/R RIGHT AOA REF B767-400 AMM 34-26. OPS CKS NORMAL. C/W PITOT-STATIC LEAK CKS PER B767-400 AMM 34-11. NO DISCREPENCIES NOTED. PRESSURIZED PITOT-STATIC SYS REF B767-400 AMM 34-11. (5045979)

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