# SDR DALA2026071304116

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2026
- Submitted: July 14, 2026
- Operation: Air carrier
- Aircraft: [N142DU](https://openairdocs.org/aircraft/N142DU), registered now
- Make and model: Airbus BD-500-1A10
- Registry model: [Airbus BD-500-1A10](https://openairdocs.org/model/airbus-canada-ltd-ptnrsp-bd-500-1a10) (OpenAirDocs)
- Aircraft serial: 50060
- Aircraft time: 12,884 hours, 6,033 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Panel
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026071304116

## Discrepancy

PSEU PANELS 12AB,14AB,16AB,23AB,25AB,26AB,28AB,10AB,17AB,19CDE IAW AMP 35-21 DUE TO NOT DEPLOYING HAVE BEEN REMOVED. REPLACED WHOLE AIRCRAFT PASSENGER OXYGEN DISPENSING BOX SEATS1 THRU 29 WITH SERVICEABLE PARTS FROM A/C 8307 PER A220 AMP 35-21- 01AAA-720A-A,STILL NEEDS C/B CLOSED AND OXYGEN SYSTEM DEPLOYMENT TEST. PAX COMPARTMENT OXYGEN MASK DEPLOYMENT GOOD ,REF BD500-A-J35-21-00-01AAA-320BA. (LP# 1691594; AIRCRAFT WAS GROUNDED)

---
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.
