What was found
DURING INSP/MAINT, NR 1 CREW O2 BOTTLE WILL NOT CLOSE FULLY, CONTINUES TO LEAK AFTER BEING SHUT. REMOVED AND REPLACED THE #1 CREW O2 BOTTLE IAW B767 AMM 35-31-01. OPS CHECK GOOD 1780 PSI C/W MAB B767-35-1. A/C RETURNED TO SERVICE.
- Difficulty date
- June 29, 2026
- Submitted
- June 30, 2026
- Operation
- Air carrier
- Aircraft
- N493MM
- Make and model
- Boeing 767300
- Aircraft serial
- 67025
- Aircraft time
- 11,718 hours, 1,964 cycles
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Bottle
- Part number
- 80683501
- Part serial
- C22010420
- Condition
- Leaking
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.