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A MD80 nose and main tire pressures were incorrectly checked and signed off as no service required. Tire pressure was checked on hot tires.
| Attributes | |
| ACN | 572511 |
| Time | |
| Date | 200301 |
| Day | Tue |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Series (DC-9-80) Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| ASRS Report | 572511 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : lead technician |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper documentation maintenance problem : improper maintenance non adherence : far non adherence : published procedure |
| Independent Detector | aircraft equipment other aircraft equipment : tire pressure indicator |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : work cards performance deficiency : logbook entry performance deficiency : inspection performance deficiency : testing |
| Supplementary | |
| Problem Areas | Chart Or Publication Maintenance Human Performance Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
I was assigned a pre-service check job card on aircraft X. The aircraft X was the last one in. It arrived at the gate at approximately XA15. I started my check at approximately XA45. I completed the check with the additional discrepancy items prior to going to lunch. I went to lunch allowing the tire pressures to cool down prior to re-checking them. When I was about to proceed back out to the aircraft to re-check the tire pressures the crew chief called me to remind me to re-check the pressures. Upon my findings when I returned back to the aircraft was 3 mains and 1 nose were cooled down to within range and 1 nose and 1 main was slightly adjusted to range. I went back to the office, wrote and signed off the non-routine items for the times, and submitted the paperwork to the crew chief in order for the crew chief to close out the logbook. After reviewing the paperwork for that night, I see that I inadvertently wrote north/a in the servicing block column in error.
Original NASA ASRS Text
Title: A MD80 NOSE AND MAIN TIRE PRESSURES WERE INCORRECTLY CHKED AND SIGNED OFF AS NO SVC REQUIRED. TIRE PRESSURE WAS CHKED ON HOT TIRES.
Narrative: I WAS ASSIGNED A PRE-SVC CHK JOB CARD ON ACFT X. THE ACFT X WAS THE LAST ONE IN. IT ARRIVED AT THE GATE AT APPROX XA15. I STARTED MY CHK AT APPROX XA45. I COMPLETED THE CHK WITH THE ADDITIONAL DISCREPANCY ITEMS PRIOR TO GOING TO LUNCH. I WENT TO LUNCH ALLOWING THE TIRE PRESSURES TO COOL DOWN PRIOR TO RE-CHKING THEM. WHEN I WAS ABOUT TO PROCEED BACK OUT TO THE ACFT TO RE-CHK THE TIRE PRESSURES THE CREW CHIEF CALLED ME TO REMIND ME TO RE-CHK THE PRESSURES. UPON MY FINDINGS WHEN I RETURNED BACK TO THE ACFT WAS 3 MAINS AND 1 NOSE WERE COOLED DOWN TO WITHIN RANGE AND 1 NOSE AND 1 MAIN WAS SLIGHTLY ADJUSTED TO RANGE. I WENT BACK TO THE OFFICE, WROTE AND SIGNED OFF THE NON-ROUTINE ITEMS FOR THE TIMES, AND SUBMITTED THE PAPERWORK TO THE CREW CHIEF IN ORDER FOR THE CREW CHIEF TO CLOSE OUT THE LOGBOOK. AFTER REVIEWING THE PAPERWORK FOR THAT NIGHT, I SEE THAT I INADVERTENTLY WROTE N/A IN THE SVCING BLOCK COLUMN IN ERROR.
Data retrieved from NASA's ASRS site as of July 2007 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.