Narrative:

There was no aircraft damage. The captain; first officer; international relief pilot (irp); and myself were taxiing into the apron. The lighting was severely insufficient; no one remembered any wingspan restrictions in notams or jeppesen charts. Crew noticed and discussed weird shadows on left wingtip during post flight. Upon return after crew rest; the [ground crew] informed us there was a small tree branch on the wing. He had conducted a thorough inspection and found no damage. This issue did not affect the departure. We insisted on being towed out with our [ground crew] walking our wing because of lack of trust in non-[company] ground personnel.do not park on that ramp. Had the captain turned on all available aircraft lighting; none of us would have been able to see beyond the edge of the grass and he would have blinded the person guiding us in.

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Original NASA ASRS Text

Title: B747 First Officer reported that ground personnel discovered a small tree branch on top of the left wing after block-in.

Narrative: There was no aircraft damage. The Captain; First Officer; International Relief Pilot (IRP); and myself were taxiing into the apron. The lighting was severely insufficient; no one remembered any wingspan restrictions in NOTAMs or Jeppesen Charts. Crew noticed and discussed weird shadows on left wingtip during post flight. Upon return after crew rest; the [ground crew] informed us there was a small tree branch on the wing. He had conducted a thorough inspection and found no damage. This issue did not affect the departure. We insisted on being towed out with our [ground crew] walking our wing because of lack of trust in non-[company] ground personnel.Do not park on that ramp. Had the Captain turned on all available aircraft lighting; none of us would have been able to see beyond the edge of the grass and he would have blinded the person guiding us in.

Data retrieved from NASA's ASRS site 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.