As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER SHUTDOWN WITH PACKS OFF, RED EXCESSIVE CABIN PRESSURE LIGHT ILLUMINATED ON CARGO DOOR CONTROL PANEL CHECKED FOR CONTINIUITY AND NORMAL OPERATION OF 13WN (L1 DOOR ESCAPE SLIDE MICRO SWITCH) AND 9WN (L1 DOOR MICRO SWITCH) BOTH SWITCHES CHECKED GOOD IAW ASM 52-73-00 SHEET 1, DID FIND 13WN TO BE STICKY WITH CPC ANTI-CORROSION COMPOUND. CLEANED 13WN MICRO SWITCH IAW ESPM 20-55-50. AWAITING OPS CHECK