# SDR UIEA2021092402104

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2021
- Submitted: September 27, 2021
- Operation: Air carrier
- Aircraft: [N1229A](https://openairdocs.org/aircraft/N1229A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 28884
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Warning Message
- Condition: False Indication
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021092402104

## Discrepancy

CABIN ALT MASTER WARNING IN FLIGHT AT FL350.(<P>PERF FIM 21-31 FT 803 BOTH AUTO 1 & AUTO 2 SYSTEM OK. #2 NO DEFECTS NOTED IAW AMM 21-31-00, PERF CABIN PRESSURE LEAKAGE TEST PER AMM 05-51-24. NO DEFECTS LEAKS NOTED.</P>)

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