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A B737-300 was dispatched with a phase check incomplete. Item missed was checked 52 hours later and was 1 hour over check time limit.
| Attributes | |
| ACN | 355621 |
| Time | |
| Date | 199612 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : iad |
| State Reference | VA |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | ground : parked other |
| Flight Plan | None |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | other personnel other |
| Qualification | other other : other |
| ASRS Report | 355621 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | other personnel other |
| Qualification | other other : other |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : far non adherence : published procedure other anomaly other |
| Independent Detector | other other : unspecified |
| Resolutory Action | none taken : detected after the fact other |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
B737-322 type aircraft phased A-2 check. 4 men assigned to check. 2 experienced 2 new to station, lack of communication between 4 men caused aircraft to depart without 1 item on check being accomplished. That item was accomplished in sfo 52 flight hours later. The check had 51 hours remaining. The check item went 1 hour past normal accomplishment time. Lead stressed importance of communication between all personnel assigned to aircraft as well as maintaining lead abreast of progress, and problems. Callback conversation with reporter revealed the following information: the check item missed was the cleaning of the APU lower shroud drains. This item requires opening the lower half of the APU shroud and blowing compressed air through the drains. It was assigned to 2 mechanics who failed to accomplish the job. Reporter completed the job cards and paperwork and was not aware the check item was not completed until after the aircraft was dispatched. Reporter was contacted by the FAA and may be subject to an investigation.
Original NASA ASRS Text
Title: A B737-300 WAS DISPATCHED WITH A PHASE CHK INCOMPLETE. ITEM MISSED WAS CHKED 52 HRS LATER AND WAS 1 HR OVER CHK TIME LIMIT.
Narrative: B737-322 TYPE ACFT PHASED A-2 CHK. 4 MEN ASSIGNED TO CHK. 2 EXPERIENCED 2 NEW TO STATION, LACK OF COM BTWN 4 MEN CAUSED ACFT TO DEPART WITHOUT 1 ITEM ON CHK BEING ACCOMPLISHED. THAT ITEM WAS ACCOMPLISHED IN SFO 52 FLT HRS LATER. THE CHK HAD 51 HRS REMAINING. THE CHK ITEM WENT 1 HR PAST NORMAL ACCOMPLISHMENT TIME. LEAD STRESSED IMPORTANCE OF COM BTWN ALL PERSONNEL ASSIGNED TO ACFT AS WELL AS MAINTAINING LEAD ABREAST OF PROGRESS, AND PROBS. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE CHK ITEM MISSED WAS THE CLEANING OF THE APU LOWER SHROUD DRAINS. THIS ITEM REQUIRES OPENING THE LOWER HALF OF THE APU SHROUD AND BLOWING COMPRESSED AIR THROUGH THE DRAINS. IT WAS ASSIGNED TO 2 MECHS WHO FAILED TO ACCOMPLISH THE JOB. RPTR COMPLETED THE JOB CARDS AND PAPERWORK AND WAS NOT AWARE THE CHK ITEM WAS NOT COMPLETED UNTIL AFTER THE ACFT WAS DISPATCHED. RPTR WAS CONTACTED BY THE FAA AND MAY BE SUBJECT TO AN INVESTIGATION.
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.