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A line mechanic reports finding external expiration date placards on their portable duo-pac oxygen generator canister carry-cases did not match the expiration dates on the individual oxygen canisters on their B767-300 aircraft. All of the black safety latch buttons were unlocked and all of the oxygen canister firing pins were armed.
| Attributes | |
| ACN | 958124 |
| Time | |
| Date | 201106 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Oxygen System/Pax |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Powerplant Maintenance Airframe |
| Experience | Maintenance Technician 23 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy |
Narrative:
I was assigned to perform the supplemental O2 oxygen date check on the duo-pak oxygen packs. I found one that was out of date. Upon opening it to change the oxygen canister I found the date on the canister did not match the date on the outside of the container. I also noticed that the black unlock button was exposed. I then inspected the remaining duo-pac units in the cabin and found all with a inspection date of october 2010; with the triggers unlocked.
Original NASA ASRS Text
Title: A Line Mechanic reports finding external expiration date placards on their portable DUO-PAC oxygen generator canister carry-cases did not match the expiration dates on the individual oxygen canisters on their B767-300 aircraft. All of the black safety latch buttons were unlocked and all of the oxygen canister firing pins were armed.
Narrative: I was assigned to perform the Supplemental O2 Oxygen Date Check on the DUO-PAK oxygen packs. I found one that was out of date. Upon opening it to change the oxygen canister I found the date on the canister did not match the date on the outside of the container. I also noticed that the black unlock button was exposed. I then inspected the remaining DUO-PAC units in the cabin and found all with a inspection date of October 2010; with the triggers unlocked.
Data retrieved from NASA's ASRS site as of April 2012 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.