What was found
AIRCRAFT WAS GROUNDED: CABIN V/S FLUCTUATING +- 700 FT/ MIN SWITCHED FROM SYSTEM 2 TO SYSTEM 1 MANUALLY SYSTEM 1 WORKED OK. REPLACED RESIDUAL PRESSURE CONTROL UNIT PER AMM 21-31-35. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.
- Difficulty date
- May 10, 2022
- Submitted
- May 12, 2022
- Operation
- Air carrier
- Aircraft
- N993AN
- Make and model
- Airbus A300*
- Aircraft serial
- 7188
- Aircraft time
- 16,477 hours, 6,357 cycles
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Control Unit
- Part number
- RPCU916701
- Part serial
- 02175553
- Condition
- Defective
- Location
- Zone 100 - Fuse
- Stage of operation
- DE
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.