Image 31289, 14.00 Pitsford & Brampton return, Pitsford & Brampton station

31289, 14.00 Pitsford & Brampton return, Pitsford & Brampton station
31289, 14.00 Pitsford & Brampton return, Pitsford & Brampton station 
 Wearing its 2P20 reporting number 31289 'Pheonix' is seen at Pitsford and Brampton station ready to work the 14.00 return 'mince pie special'. The headcode chosen is for an 'ordinary passenger train, mixed train, or breakdown train or snow plough not going to clear the line' but I cannot find out what the P would refer to here in Northamptonshire (BR Midland Region), local advice anybody? 
 Keywords: 31289 14.00 Pitsford & Brampton return Pitsford & Brampton station
31289, 14.00 Pitsford & Brampton return, Pitsford & Brampton station 
 Wearing its 2P20 reporting number 31289 'Pheonix' is seen at Pitsford and Brampton station ready to work the 14.00 return 'mince pie special'. The headcode chosen is for an 'ordinary passenger train, mixed train, or breakdown train or snow plough not going to clear the line' but I cannot find out what the P would refer to here in Northamptonshire (BR Midland Region), local advice anybody? 
 Keywords: 31289 14.00 Pitsford & Brampton return Pitsford & Brampton station

Wearing its 2P20 reporting number 31289 'Pheonix' is seen at

Pitsford and Brampton station ready to work the 14.00 return 'mince pie special'. The headcode chosen is for an 'ordinary passenger train, mixed train, or breakdown train or snow plough not going to clear the line' but I cannot find out what the P would refer to here in Northamptonshire (BR Midland Region), local advice anybody?