What was found
EICAS MSG, CABIN ALT AUTO, CABIN ALT AUTO B & CABIN ALT AUTO A, AT FL320, 3 HOURS INTO CRUISE, DIVERTED. R & R CABIN PRESS CONTROLLER A IAW AMM 21-31-02 401. OPERATIONS CHECKED GOOD IAW SAME AMM REFERENCE.
- Difficulty date
- September 6, 2015
- Submitted
- September 8, 2015
- Operation
- Air carrier
- Aircraft
- N497MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 29258
- Aircraft time
- 67,476 hours, 10,808 cycles
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Part number
- 7968842007
- Part serial
- 98064404
- Condition
- Malfunctioned
- Location
- Cabin Pressure
- Part time
- 62,670 hours, 10,130 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.