B737 Typerating
4th compressor section
5th and 9th stage of compressor section.
5th compressor section
9th compressor section
Closed
On
OFF
Auto
ON
The engine bleed valve
APU bleed valve
Mix Manifold
X-bleed valve
If both engine bleeds are on
N°2 engine bleed ON and APU bleed ON.
N°1 engine bleed ON and APU bleed ON.
N°1 engine bleed ON and APU bleed OFF.
When the engine bleed temperature exceeds a pre-determined limit
When EGT exceeds a pre-determined limit
When the engine bleed pressure exceeds a pre-determined limit
When the engine bleed Temperature or pressure exceeds a pre-determined limit
BLEED TRIP OFF, PACK TRIP OFF and ZONE TEMP lights
Exessive EGT, pressure and temperature
BLEED TRIP OFF, DUAL BLEED and ZONE TEMP lights
Exessive temp on both engines and APU
Left WING BODY OVERHEAT
Right WING BODY OVERHEAT
OVERHEAT light
FAULT light
It is an on demand supply, however it does read approx. 15 psi
It is an on demand supply, however it does read approx 30 psi
It is an on demand supply, however it does read approx 25 psi
It is an on demand supply, however it does read approx 45 psi
Left engine strut, Left inboard wing leading edge, or Left side air conditioning bay.
Left wing tank
Right engine strut, right inboard wing leading edge, or right side air conditioning bay.
Right wing tank
LOW, on the ground
HIGH, in flight
HIGH, on the ground
Low, in flight
On the ground or in flight
On the ground or in flight with the flaps extended
In flight with flaps extended
In flight with gear down
Closed
Open
OFF mode
It will schedule to ON flow mode
It will schedule to AUTO mode
It will schedule to high flow mode
Failure of both primary and standby pack controls, or the overheat in the cooling cycle. The associated pack valve closes.
Both packs in operation
A fault in with either on or both packs
Failure of both primary and standby pack controls.
High flow
Normal flow
Auto flow
OFF
The Mix Manifold
The mix Manifold and the Cabin
The Mix Manifold and the Flight Deck
The Cabin
The right recirculation fan operates if both packs are operating unless both PACK switches are selected to HIGH
Both fans are operating normally.
Both fans are operating in HIGH mode
The left recirculation fan operates if both packs are operating unless both PACK switches are selected to HIGH
When AUTO button is pressed.
When TOGA buttons are pressed
When aircraft gets airborne
On the ground when the thrusts levers are advanced to set take-off power (when both N1s are greater than 60% & both N2s are greater than 89% for 1.5 seconds)
FAULT light illuminates.
MASTER CAUTION and FAULT lights illuminate.
MASTER CAUTION and ALTN lights illuminate.
The AUTO FAIL and ALTN lights illuminate.
7.8 psi
7.45 psi
8.35 psi