622FB, 622EB, 622CB
321077
Srm 57.40 gaps
Sb147 track 3 4 clearance
Sb508 extended stops
Fuel vent , negative pressure relief valve , clapper valves.
Nov 24, 2025 hail damage.
1/2 inch by 2 1/2 inches opening.
Over 2 inches wide
Very intermitant message.

Turned out, the relay 422R had low pin tension on X1.
We found a dozen female pins w low pin tension.

Out of sequence Thrust Reverser lockout recovery
Maint Sw left closet to MAINT.
FADEC CBS out x4
Piggy Backs match TR position.
HYD ON
Bypass sw on engine hold down.
FADEC CBs PRESSED.
Piggyback to desired position.
TRs move.
Release bypass sw on engine







Orn/wht eth 1 goes to round plug 1
Orn eth 2 to round plug 2
Green / wht Eth 3 to round plug 3
Green Eth 6 to round plug 4





Blog to hold some troubleshooting information