What was found
CABIN PRESSURE AUTO FAIL LT ILLUMINATED ALTN MODE LT ILLUMINATED CABIN PRESSURE NORMAL. VERIFIED DEFECT. NR 2 CPC EXISTING FAULT SHOWS CONTRLR LRU FAIL. REMOVED AND REPLACED NR 2 CPC REF MM 21 31 01. OPS CHECK NORMAL.
- Difficulty date
- March 15, 2012
- Submitted
- March 19, 2012
- Operation
- Air carrier
- Aircraft
- N577AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35186
- Aircraft time
- 18,870 hours, 5,748 cycles
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Part number
- 71211997101AC
- Part serial
- 0795847
- Condition
- Faulty
- Location
- E&E Bay
- Part time
- 18,870 hours, 5,748 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.