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B767 captain is informed after gate arrival; that passengers saw a piece of the left wing depart the aircraft during approach. Inspection reveals a large patch on the top of the left outboard flap is missing and possible impact damage to the underside of the flap and the flap fairing in the same area.
| Attributes | |
| ACN | 973878 |
| Time | |
| Date | 201110 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZZ.Airport |
| State Reference | FO |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Wing Skin |
| Person 1 | |
| Function | Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Inflight Event / Encounter Other / Unknown |
Narrative:
Inbound; on final approach to the airport with aircraft configured to land; several passengers noticed a 'piece of the wing' depart the aircraft. They reported what they saw to a flight attendant during taxi in; who in turn reported it to the cockpit crew after parking. Subsequent inspection by the crew revealed that a large patch (nominally 36 inches long; by 10 inches wide; about 1/4 to 1/2 inches thick) had delaminated and departed from the upper surface of the left; outboard flap; above the outboard flap fairing. Further inspection revealed broken fiberglass at the base of the same fairing; with a possible impact area on the lower flap surface; beside the fairing. During the entire flight; we had not noticed any impact; or any controllability problems whatsoever. There were a few instances of light to moderate turbulence; but nothing that could have caused that kind of damage. The aircraft was taken out of service; and eventually field repaired and ferried home.
Original NASA ASRS Text
Title: B767 Captain is informed after gate arrival; that passengers saw a piece of the left wing depart the aircraft during approach. Inspection reveals a large patch on the top of the left outboard flap is missing and possible impact damage to the underside of the flap and the flap fairing in the same area.
Narrative: Inbound; on final approach to the airport with aircraft configured to land; several passengers noticed a 'piece of the wing' depart the aircraft. They reported what they saw to a Flight Attendant during taxi in; who in turn reported it to the cockpit crew after parking. Subsequent inspection by the crew revealed that a large patch (nominally 36 inches long; by 10 inches wide; about 1/4 to 1/2 inches thick) had delaminated and departed from the upper surface of the left; outboard flap; above the outboard flap fairing. Further inspection revealed broken fiberglass at the base of the same fairing; with a possible impact area on the lower flap surface; beside the fairing. During the entire flight; we had not noticed any impact; or any controllability problems whatsoever. There were a few instances of light to moderate turbulence; but nothing that could have caused that kind of damage. The aircraft was taken out of service; and eventually field repaired and ferried home.
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.