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A B767 was flown on a functional check flight after heavy maintenance. Later ground check revealed a 4 ft X 8 ft panel had departed the aircraft.
| Attributes | |
| ACN | 722959 |
| Time | |
| Date | 200701 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | msl single value : 17000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zzz.artcc tower : pdx.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : commercial pilot : flight engineer pilot : instrument pilot : multi engine |
| Experience | flight time last 90 days : 45 flight time total : 5000 flight time type : 400 |
| ASRS Report | 722959 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : private pilot : multi engine pilot : instrument pilot : flight engineer pilot : atp pilot : commercial |
| Experience | flight time last 90 days : 60 flight time total : 6500 flight time type : 600 |
| ASRS Report | 722957 |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance maintenance problem : improper documentation non adherence : far non adherence : published procedure |
| Independent Detector | other other : 3 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other other |
| Factors | |
| Maintenance | contributing factor : work cards performance deficiency : non compliance with legal requirements performance deficiency : scheduled maintenance performance deficiency : logbook entry performance deficiency : installation performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Chart Or Publication Maintenance Human Performance Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
On a routine functional check flight (fcf) after heavy maintenance at the maintenance base. No problems; or unusual vibes occurred during flight. 4 hours after postflt and maintenance doing extensive corrective actions to sign off the in-flight logbook write-ups; it was reported that a 4 ft by 8 ft panel behind the main gear was missing. All of the screws were in place but no panel. Note: a common maintenance practice when replacing a panel is to leave the screws in place until the replacement comes. Both the copilot and I (the captain) had done extensive preflts to check for loose fasteners and everything else. In addition; the copilot had done a postflt inspection to check for same and found nothing missing.
Original NASA ASRS Text
Title: A B767 WAS FLOWN ON A FUNCTIONAL CHK FLT AFTER HVY MAINT. LATER GND CHK REVEALED A 4 FT X 8 FT PANEL HAD DEPARTED THE ACFT.
Narrative: ON A ROUTINE FUNCTIONAL CHK FLT (FCF) AFTER HVY MAINT AT THE MAINT BASE. NO PROBS; OR UNUSUAL VIBES OCCURRED DURING FLT. 4 HRS AFTER POSTFLT AND MAINT DOING EXTENSIVE CORRECTIVE ACTIONS TO SIGN OFF THE INFLT LOGBOOK WRITE-UPS; IT WAS RPTED THAT A 4 FT BY 8 FT PANEL BEHIND THE MAIN GEAR WAS MISSING. ALL OF THE SCREWS WERE IN PLACE BUT NO PANEL. NOTE: A COMMON MAINT PRACTICE WHEN REPLACING A PANEL IS TO LEAVE THE SCREWS IN PLACE UNTIL THE REPLACEMENT COMES. BOTH THE COPLT AND I (THE CAPT) HAD DONE EXTENSIVE PREFLTS TO CHK FOR LOOSE FASTENERS AND EVERYTHING ELSE. IN ADDITION; THE COPLT HAD DONE A POSTFLT INSPECTION TO CHK FOR SAME AND FOUND NOTHING MISSING.
Data retrieved from NASA's ASRS site as of January 2009 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.