- Difficulty date
- January 19, 2019
- Submitted
- January 23, 2019
- Operation
- Air carrier
- Make and model
- Emb EMB145LR
- Aircraft serial
- 145079
- Aircraft time
- 45,014 hours, 40,633 cycles
- Part
- Controller
- Part number
- 22250N030301
- Part serial
- 00470
- Condition
- Failed
- Location
- Cabin Pressure
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- I
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPLEMENTAL CABIN DEPRESSURIZED IN CRZ AT FL 370 WHILE IN AUTO MODE. C/A-DEFERREED PRESSURE CONTROL SYSTEM AUTOMATIC MODE M PROCEDURES C/W VERIFIED AUTAMATIC MODE INOP WITH OPS CHECK WITH CREW AMM 21-31-00 AUTH # 010655DM-C. REMOVED AND REPLACED CABIN PRESSURIZATION DIGITAL CONTROLER IAW AMM 21-31-01. NO FIX. RAR ELECTROPNUEMATIC OUTFLOW VALVE IAW AMM 21-31-03. OPC GOOD. MEL ITEM RESTORED. ELECTROPNEUMATI OUTFLOW VAVLE P/N 2097K011100 S/N 167.