# SDR IPXA2022051682166

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2022
- Submitted: May 17, 2022
- Operation: Air carrier
- Aircraft: [N133UP](https://openairdocs.org/aircraft/N133UP), registered now
- Make and model: Airbus A300*
- Aircraft serial: 0816
- Aircraft time: 23,850 hours, 15,034 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: None
- Condition: Inoperative
- Location: Cabin
- Stage of operation: CL
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2022051682166

## Discrepancy

INSPECTION TYPE:N/A**ATB** EMERGENCY DECLARED. DURING CLIMBOUT (APPROX 14,000) THERE WAS A SUDDEN CHANGE IN THE CABIN ALTITUDE RATE OF CLIMB DESCENDED BACK TO 10,000 PRESSURIZATION SEEMED TO START WORKING NORMALLY RESTARTED THE CLIMB @ 1000 FPM DUE TO A MOMENTARY CAB PRESS LO AP ALERTREMOVED AND REPALCED FWD OUTFLOW VALVE 202HM IAW AMM 21-31-12-0401 REMOVED AND ERPLACED SYSTEM 2 CABIN PRESSURE CONTROLLER 106HM IAW AMM 21-31-11-0401 OPERATIONAL CHECKS FOR BOTH TASKS DUE SEE LP 077605/1 65367419-05/16/22

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