diff --git a/tdrs-backend/tdpservice/parsers/schema_defs/ssp/m7.py b/tdrs-backend/tdpservice/parsers/schema_defs/ssp/m7.py
index 40b4009fc..1fb1aa8fa 100644
--- a/tdrs-backend/tdpservice/parsers/schema_defs/ssp/m7.py
+++ b/tdrs-backend/tdpservice/parsers/schema_defs/ssp/m7.py
@@ -23,6 +23,7 @@
             model=SSP_M7,
             quiet_preparser_errors=i > 1,
             preparsing_validators=[
+                validators.hasLength(247),
                 validators.notEmpty(0, 7),
                 validators.notEmpty(validator_index, validator_index + 24),
             ],
diff --git a/tdrs-backend/tdpservice/parsers/schema_defs/tanf/t7.py b/tdrs-backend/tdpservice/parsers/schema_defs/tanf/t7.py
index fec8c567d..199f4e525 100644
--- a/tdrs-backend/tdpservice/parsers/schema_defs/tanf/t7.py
+++ b/tdrs-backend/tdpservice/parsers/schema_defs/tanf/t7.py
@@ -23,6 +23,7 @@
             model=TANF_T7,
             quiet_preparser_errors=i > 1,
             preparsing_validators=[
+                validators.hasLength(247),
                 validators.notEmpty(0, 7),
                 validators.notEmpty(validator_index, validator_index + 24),
             ],