# SDR UIEA2020050800989

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2020
- Submitted: May 11, 2020
- Operation: Air carrier
- Aircraft: [N1499A](https://openairdocs.org/aircraft/N1499A), registered now
- Make and model: Boeing 767328
- Aircraft serial: 27428
- Aircraft time: 80,310 hours, 17,781 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 1305027
- Part serial: 43A0180
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2020050800989

## Discrepancy

CABIN ALTITUDE #2 INOP(<P>TRANSFERRED TO MDDR 128073 PER MEL 21-31-01A, CAT 'C', DUE DATE 17MAY20. DISPATCH DP @ 18:04Z. LP LP 1130644: C/W CABIN PRESS SELECTOR TEST IAW B767 AMM 21-31-01-704-014. THEN PERFORMED FIM 21-31 FAULT TREE 803. CABIN PRESS BITE. NO FAULTS AT THIS TIME. (REPLACED THE CABIN PRESSURE CONTROLLER). THIS CLEARS MDDR 128073.</P>)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
