from the PSV tester's manual: section 45 sorry it's come out a bit garbled!

1
a.
b. c. d.
2
a.
b.
c.
d. 3
a. b.
c.
(i) (ii) (i) (ii)
Fuel tank:
strap or support broken or missing.
so insecure on its mountings that it is likely to drop away partially or completely when the vehicle is used.
heat shield missing, or defective to such an extent it constitutes an obvious fire risk.
defective such that leakage of fuel is possible.
Fuel system:
leaking and does not represent an obvious hazard to other road users or passengers.
leaking and represents an obvious hazard to other road users or passengers.
pipes damaged (restricted/chafed) or so positioned that they are fouled by moving parts of the vehicle.
pipes so damaged (restricted/chafed), insecure or with an inadequate repair, such that they are likely to fail and leak which would cause danger to persons on the vehicle or to other road users.
with a pipe or pipes immediately adjacent to or in contact with electrical wiring.
carburettor driptray and/or drain pipe missing.
Filler cap:
missing.
does not fasten securely:
 by a positive means, or
 such that pressure is not maintained on the sealing
arrangement.
sealing washer torn, deteriorated or missing, or a mounting flange/sealing method defective such that leakage of the fuel is possible.
Major Dangerous*
Dangerous Major
Major Dangerous Minor Major
Major Major
Dangerous Major
Major
20/05/2018 2 of 2 Document Uncontrolled When Printed

My bus number (if any): RML2532

Filler cap:
missing.
does not fasten securely:
 by a positive means, or
 such that pressure is not maintained on the sealing
arrangement.
sealing washer torn, deteriorated or missing, or a mounting flange/sealing method defective such that leakage of the fuel is possible.
Major

My bus number (if any): RML2532