# SDR FDEA202010042415

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2020
- Submitted: November 3, 2020
- Operation: Air carrier
- Aircraft: [N917FD](https://openairdocs.org/aircraft/N917FD), registered now
- Make and model: Boeing 757-23A
- Registry model: [Boeing 757-23A](https://openairdocs.org/model/boeing-757-23a) (OpenAirDocs)
- Aircraft serial: 24291
- Aircraft time: 50,237 hours, 23,186 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 21173888
- Part serial: 94A0753
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202010042415

## Discrepancy

AIRCRAFT DID NOT PRESSURIZE DURING CLIMB OUT IN  AUTO 2 . LEVELED AT 10K WITH CABIN ALT EICAS  WARNING. OUTFLOW VALVE INDICATED FULL OPEN . NO  OTHER INDICATIONS ON EICAS.   ACCOMPLISHED FIM 21-30 FT 815 AND FIM 21-3- FT 802                     BOCK 1 FOUND CABIN ALT PRESS CONTROLLER 2 INOP.                        PRESS/TEST FAILED TO ILLUM TEST INDICATION. REMOVED                    AND REPLACED CABIN ALT AUTO CONTROLLER 2 IAW AMM                       21-31-02-4, OPS AND INDCATION NOW NML. OK FOR SVC                      CABIN PRESS CONTROLLER MPN# 2117388-6   S/N# 94-A0753

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