TC reported EMPB was loose in driving cab 3505. Video taken and send to duty CC. TC reported EMPB wa s loose in driving cab 3505. Video taken and send to duty CC . ~~~~~ To replace Car #3505 Aux O  & BLBS plastic cover when spare is available. Thereafter please reseal.   Found 3505 EMPB base loose. Re-tightened and function tested ok. Found 3505 AUX-O  cover being secured with steel wire due to faulty hinge. No spare cover available. OP20 raised to replace AUX-O  cover when spare available. N.A/LAI MK/07.03.23