# SDR FDEA201509132855

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2015
- Submitted: September 14, 2015
- Operation: Air carrier
- Aircraft: [N125FE](https://openairdocs.org/aircraft/N125FE), registered now
- Make and model: Boeing 767-3S2F
- Registry model: [Boeing 767-3S2F](https://openairdocs.org/model/boeing-767-3s2f) (OpenAirDocs)
- Aircraft serial: 42717
- Aircraft time: 8 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201509132855

## Discrepancy

AT FL 360 GOT A CABIN ALTITUDE MASTER WARNING.  CABIN WAS SHOWING JUST OVER 10,000 FT WITH A 200 FT PER MIN CLIMB.  WE WENT TO AUTO 2 BUT CABIN CONTINUED TO CLIMB, COMPLIED WITH QRH.  ON DESCENT WE TRIED MANUAL & WERE ABLE TO CONTROL THE CABIN ALTITUDE.  TROUBLESHOOTING IAW FIM 21-31 FAULT TREE 803 BITE.  CHECKED LT & RT AUTOMATIC PRESS CONTROLLERS, BOTH CONTROLLERS SHOWED AC POWER OFF ON LAST FLIGHT.  BITE & PRESS TEST ON LT & RT CONTROLLERS SHOWED NO INFLOW ON PREVIOUS FLIGHT.  CONTROLLERS TEST NORMAL WITH NO CURRENT FAULTS.  CABIN PRESS CONTROL SYS ADJUSTMENT & TEST IAW AMM 21-31-00-5, SATISFACTORY.  AWAITING PARTS.  R & R CABIN PRESS SELECTOR IAW AMM 21-31-01-4.  OPERATIONS CHECKED GOOD.  R & R AUTOMATIC CABIN PRESS CONTROLLER NR 1 IAW AMM 21-31-02-4.  R & R CABIN PRESS OUTFLOW VLV IAW AMM 21-31-03-2.  ACCOMPLISHED CABIN CONTROL SYS ADJUSTMENT & TEST IAW AMM 21-31-00-5.  OK FOR SERVICE.

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