# SDR IPXA2026092487635

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2026
- Submitted: September 24, 2026
- Operation: Air carrier
- Aircraft: [N169UP](https://openairdocs.org/aircraft/N169UP), registered now
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0864
- Aircraft time: 26,127 hours, 15,543 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Cabin Press Sys
- Condition: Faulted
- Location: Zone 200
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2026092487635

## Discrepancy

IN DESCENT AT ABOUT 6000 FT WE RECIEVED CAB PRESS ADV, VS ON CAB PRESS PAGE WAS AT 1500 FT/MIN A NOTICEABLE HISSING SOUND FROM CAPTAINS SIDE OF COCKPIT AND NOTICEABLE EAR POPS FOR CAPT AND FO PERFORMED INSP/CHECK OF PREFORMED SEAL CAPT. SLIDING WINDOW PER AMM 56-12-13. NO DEFECTS NOTED. CLEANED FRAME AND SEAL. MANUALLY PRESSURIZED ACFT TO 7 PSI DIFF PRESS PER AMM 21-31-00/501 AND PERFORMED LEAK CHECK, NO LEAKS FOUND ON WINDOWS OR L1 DOOR. PLACED #1 SYS CABIN PRESS AUTO CNTL ON DEF. PER MEL 21-31-02-1.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
