British Airways 5390
Printed page 15. PDF page 22.
to 6 lbf in. The combined results using 8 UNC bolts in 10 UNF Kaylock nuts showed a maximum torque of 12 lbf in and an average of 4.7 Ibf in at thread slip. It was noted that the threadOpen official document at PDF page 22Aircraft Accident Report 1/92: BAC One-Eleven G-BJRT, 10 June 1990