What was found
ACFT WOULD NOT PRESSURIZE, AT FL190 CABIN ALT WARNING HORN SOUNDED. FOUND LEFT A/C PACK CONTROL VALVE FLUCTUATING. REPLACED SAME. ACFT PRESSURIZES NORMALLY.
- Difficulty date
- February 1, 2004
- Submitted
- February 17, 2004
- Operation
- Air carrier
- Aircraft
- N378DL
- Make and model
- Boeing 737247
- Aircraft serial
- 23605
- Aircraft time
- 44,615 hours, 34,570 cycles
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Control Valve
- Part number
- 39606411
- Part serial
- E1672
- Condition
- Inoperative
- Location
- Left Pack
- Stage of operation
- CL
- 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.