As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT FORWARD CABIN MESSAGE IS INTERMITTENT. FOUND PROX SWITCH 13WV1 BACK SIDE LOOSE, REFERENCE CH3572 AND WDM31-54-41. REPLACED HANDLE PROX SWITCH 13WV1 PER MM, ADJUSTED PROX SWITCHES 13WV1 AND 11WV1 PER MM. DOOR INDICATION OPS CHECKS NORMAL.