# SDR HNAA2025101400703

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2025
- Submitted: October 15, 2025
- Operation: Air carrier
- Aircraft: [N906AE](https://openairdocs.org/aircraft/N906AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500894
- Aircraft time: 45,438 hours, 42,315 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MC1002106
- Part serial: 90934
- Condition: Damaged
- Location: Zone 200
- Part time: 45,753 hours, 41,032 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2025101400703

## Discrepancy

FLIGHT CREW O2 MASKS DO NOT SEAL TO FACE AND MASK MICS INOP   FACT  12OCT25  19:19  RIC   R+R #100/200 CREW OXYGEN MASKS IAW AMM TASK 35-10-10-000/400-801-A. OPS CHECK GOOD, LEAK CHECK GOOD. OK FOR SERVICE. #1 PN:MC10-02-106 SN:SEO1454 TOTAL TIME: 15436.9, TOTAL CYCLES: 16010, TIME SINCE OH: 14436.9

---
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.