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B737-800 maximum captain reported questions about the landing attitude modifier.
| Attributes | |
| ACN | 1634040 |
| Time | |
| Date | 201904 |
| Aircraft 1 | |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Flight Plan | None |
| Component | |
| Aircraft Component | Attitude |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy |
Narrative:
I have the following questions about the landing attitude modifier:1. How will the flight crew know if this system has failed? Will the spoiler light illuminate?2. What action is necessary by the flight crew if this system fails? I understand this system gives additional nose wheel clearance during landing.3. In light of the poor design of the new MCAS system can we be sure a single component failure or poor software design in the lam system will not cause an erroneous spoiler deployment; or deployment of the spoilers on a single wing? I believe it would be prudent to review the design and implementation of this system.
Original NASA ASRS Text
Title: B737-800 MAX Captain reported questions about the Landing Attitude Modifier.
Narrative: I have the following questions about the Landing Attitude Modifier:1. How will the Flight Crew know if this system has failed? Will the Spoiler light illuminate?2. What action is necessary by the Flight Crew if this system fails? I understand this system gives additional nose wheel clearance during landing.3. In light of the poor design of the new MCAS system can we be sure a single component failure or poor software design in the LAM system will not cause an erroneous spoiler deployment; or deployment of the spoilers on a single wing? I believe it would be prudent to review the design and implementation of this system.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.