Incident (X2): MD-82, HB-INW, (i)London FIR (ii)Shannon FIR (i)18 & (ii)19 Dec 1997: Report No 1998-011


The pilot stated that on reaching FL 370 there was a loss of cabin pressure control, as they approached the STRUMBLE VOR. The crew attempted to regain control by placing the pressurisation system in manual mode.

In the descent, at FL 220, cabin pressurisation was stabilised and the cabin control system responded to normal control inputs.
Occurrence Date: 
Friday, 19 December, 1997
Report Date: 
Friday, 4 September, 1998