Category Archives: F20 Troubleshooting

How does the LaserRef strapping work in a F50?

Italics is the setup before strap change, Thursday, April 25, 2008.

850BA_RestrapResults_html_3717c31d850BA_RestrapResults_html_m68b53bf3

This restrap affected only the CALLOUT menu selection, it did not affect the EGPWS failure at all.

GPWS COMPUTER OK

GPWS EXTERNAL FAULTS:

IRS AHRS BUS 1 INACTIVE

IRS AHRS BUS 2 INACTIVE

———-

Envelope Modulation INOP

Terrain Awareness INOP

PROGRAM PIN CONFIGURATION:

Aircraft Type = 82

Audio Menu = 4

Altitude Callout Menu = 67

Alternate Volume 2 Selected

Lamp Format 2 Selected

Smart Callout Selected

Optional Inputs Selected

Windshear Caution with Voice Selected

Bank Angle Selected

Alternate Pop Up Selected

Peaks Enabled

Mode 6 Low Volume Selected

Steep Approach Enabled

Obstacle Awareness Enabled

RAW PROGRAM PIN STATES:

Program Pin 1 (TP-10A) = 3 (MP-15D)

Program Pin 2 (TP-10B) = 3 (MP-15D)

Program Pin 3 (TP-10C) = 2 (MP-03A or Gnd)

Program Pin 4 (MP-04D) = 4 (MP-03D)

Program Pin 5 (MP-04B) = 1 (Open)

Program Pin 6 (MP-08A) = 6 (TP-12C)

Program Pin 7 (MP-14D) = 2 (MP-03A or Gnd)

Program Pin 8 (MP-05A) = 5 (MP-07B)

Program Pin 9 (MP-02C) = 1 (Open)

Program Pin 10 (MP-04A) = 1 (Open)

Program Pin 11 (MP-04C) = 4 (MP-03D)

Program Pin 12 (TP-05B) = 9 (TP-12B)

Program Pin 13 (MP-05B) = 3 (MP-15D)

Program Pin 14 (TP-02C) = 2 (MP-03A or Gnd)

Program Pin 15 (MP-15C) = 2 (MP-03A or Gnd)

Program Pin 16 (MP-08B) = 1 (Open)

Program Pin 17 (TP-06D) = 2 (MP-03A or Gnd)

Program Pin 18 (MP-15A) = 1 (Open)

Program Pin 19 (MP-15B) = 1 (Open)

Bold Text is status after re-strap.

Red is the differences

> ps

EGPWC CONFIGURATION:

PART NUMBER: 965-0976-040-212-212

MOD STATUS: 08

SERIAL NUMBER: 8524

APPLICATION S/W VERSION: 212.2

CONFIGURATION S/W VERSION: 212

TERRAIN DATABASE VERSION: 448

ENVELOPE MOD DATABASE VERSION: B07

BOOT CODE VERSION: B101.2

CURRENT FAULTS:

GPWS COMPUTER OK

GPWS EXTERNAL FAULTS:

IRS AHRS BUS 1 MAGNETIC TRACK FAULT UPD

IRS AHRS BUS 2 MAGNETIC TRACK FAULT UPD

———-

Terrain Awareness – No Valid True Heading

Terrain Awareness – No Valid Roll

PROGRAM PIN CONFIGURATION:

Aircraft Type = 82

Audio Menu = 4

Altitude Callout Menu = 66

Alternate Volume 2 Selected

Lamp Format 2 Selected

Smart Callout Selected

Optional Inputs Selected

Windshear Caution with Voice Selected

Bank Angle Selected

Alternate Pop Up Selected

Peaks Enabled

Mode 6 Low Volume Selected

Steep Approach Enabled

Obstacle Awareness Enabled

RAW PROGRAM PIN STATES:

Program Pin 1 (TP-10A) = 3 (MP-15D)

Program Pin 2 (TP-10B) = 3 (MP-15D)

Program Pin 3 (TP-10C) = 2 (MP-03A or Gnd)

Program Pin 4 (MP-04D) = 3 (MP-15D)

Program Pin 5 (MP-04B) = 1 (Open)

Program Pin 6 (MP-08A) = 6 (TP-12C)

Program Pin 7 (MP-14D) = 2 (MP-03A or Gnd)

Program Pin 8 (MP-05A) = 5 (MP-07B)

Program Pin 9 (MP-02C) = 1 (Open)

Program Pin 10 (MP-04A) = 1 (Open)

Program Pin 11 (MP-04C) = 4 (MP-03D)

Program Pin 12 (TP-05B) = 9 (TP-12B)

Program Pin 13 (MP-05B) = 3 (MP-15D)

Program Pin 14 (TP-02C) = 2 (MP-03A or Gnd)

Program Pin 15 (MP-15C) = 2 (MP-03A or Gnd)

Program Pin 16 (MP-08B) = 1 (Open)

Program Pin 17 (TP-06D) = 2 (MP-03A or Gnd)

Program Pin 18 (MP-15A) = 1 (Open)

Program Pin 19 (MP-15B) = 1 (Open)