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B737 flight crew reported low; fluctuating tire pressure on two tires; but were able to land without incident.
| Attributes | |
| ACN | 1699677 |
| Time | |
| Date | 201911 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZZ.ARTCC |
| State Reference | FO |
| Aircraft 1 | |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Tires |
| Person 1 | |
| Function | First Officer Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
At approximately 7 hours into our flight and immediately prior to my break as first officer (pilot monitoring); we got an intermittent amber annunciation for 'tire pressure;' on for 5-10 seconds and then off again. Upon immediate check of the gear synoptic; number 6 tire pressure was fluctuating between 173 and 172 while all other mains were between 215-235. Just then; the captain returned from his break. My changeover brief included this issue. While I was showing him our indications on the synoptic; we saw the number 5 tire at 215 intermittently go amber also. At this point; I left on break. I returned from break about 50 minutes prior to landing and was thoroughly briefed by the captain (pilot flying) regarding the situation and the plan. As we approached the field; the captain told me he would like to have the arff (aircraft rescue and firefighting) equipment standing by as a precaution. To ensure arff would be available; I immediately [advised ATC]. Approach and landing to xxr was uneventful. We stopped on the runway. Maintenance came out; told us to shut down the engines so they could inspect our tires. They said there was no visible damage to the tires. A few minutes later; a tug came onto the runway and we were towed to the gate. The item was written up in the aml (aircraft maintenance log).
Original NASA ASRS Text
Title: B737 flight crew reported low; fluctuating tire pressure on two tires; but were able to land without incident.
Narrative: At approximately 7 hours into our flight and immediately prior to my break as First Officer (Pilot Monitoring); we got an intermittent amber annunciation for 'Tire pressure;' on for 5-10 seconds and then off again. Upon immediate check of the gear synoptic; number 6 tire pressure was fluctuating between 173 and 172 while all other mains were between 215-235. Just then; the Captain returned from his break. My changeover brief included this issue. While I was showing him our indications on the synoptic; we saw the number 5 tire at 215 intermittently go amber also. At this point; I left on break. I returned from break about 50 minutes prior to landing and was thoroughly briefed by the Captain (Pilot Flying) regarding the situation and the plan. As we approached the field; the Captain told me he would like to have the ARFF (Aircraft Rescue and Firefighting) equipment standing by as a precaution. To ensure ARFF would be available; I immediately [advised ATC]. Approach and landing to XXR was uneventful. We stopped on the runway. Maintenance came out; told us to shut down the engines so they could inspect our tires. They said there was no visible damage to the tires. A few minutes later; a tug came onto the runway and we were towed to the gate. The item was written up in the AML (Aircraft Maintenance Log).
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.