What was found
UNABLE TO MAINTAIN CABIN PRESSURE. PNEUMATIC CROSS-OVER DUCT RUPTURED IN-FLIGHT. DUCT FAILED NEAR A WELD. CAUSE UNKNOWN. DUCTS REPLACED. PART TOTAL CYCLES, 2,804.
- Difficulty date
- September 24, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N160UA
- Make and model
- Boeing 747238B
- Aircraft serial
- 21237
- Engine
- Pwa JT9D7J
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Duct
- Part number
- 69B4128414
- Condition
- Ruptured
- Location
- Cabin
- Part time
- 19,524 hours
- Stage of operation
- CL
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.