737 MAX Flight Crew Operations Manual
Normal Procedures -
Amplified Procedures
MN-FLT-OH-201
NP.21.27
Verify that the ENG 1 OVERHEAT and ENG 2 OVERHEAT
lights stay illuminated.
Verify that the WHEEL WELL light stays illuminated.
EXTINGUISHER TEST switch - Check
TEST switch - Position to 1 and hold
Verify that the three green extinguisher test lights are
illuminated.
TEST switch - Release
Verify that the three green extinguisher test lights are
extinguished.
Repeat for test position 2.
CARGO FIRE panel ................................................................ Check
DETECTOR SELECT switches - NORM
TEST switch - Push
Verify that the fire warning bell sounds.
Verify that the master FIRE WARN lights are illuminated.
Master FIRE WARN light - Push
Verify that the master FIRE WARN lights are extinguisher.
Verify that the fire warning bell cancels.
Verify that the FWD and AFT lights stay illuminated.
Verify that the green EXTINGUISHER test lights stay
illuminated.
Verify that the DETECTOR FAULT light stays extinguished.
Verify that the DISCH light stay illuminated.
Radio tuning panel or VHF communication radios ....................... Set
Verify that the Offside Tuning Light is extinguished (as installed).
Note:
VHF 1: select to ATC frequency.
VHF 2: select to company communication or ATIS.
VHF 3: select DATA in the frequency indicator on airplanes
with ACARS, tuning above maximum or below minimum
frequency.
Push the VHF 3 Radio Tuning Panel switch OFF.
March 1, 2021
