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B777 flight crew on landing rollout has several tires deflate. Postflt inspection reveals ice accumulation caused wheels to lock up.
| Attributes | |
| ACN | 685093 |
| Time | |
| Date | 200601 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B777 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | landing : roll |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : relief pilot |
| ASRS Report | 685093 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | aircraft equipment problem : less severe |
| Independent Detector | aircraft equipment other aircraft equipment : ecam other flight crewa other flight crewb other other : 3 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft Environmental Factor Flight Crew Human Performance |
| Primary Problem | Aircraft |
Narrative:
Departed ZZZZ field condition -snow; temperature 0-1 degree C; less than 1/2 inch snow/slush on taxiway; less than 1/4 inch slush on runway. Uneventful departure and trip. On landing; the #8 tire pressure icas was annunciated. After exiting the runway; captain called for crash fire rescue equipment. Crash fire rescue equipment said that it appeared that we possibly had several flat tires; with no smoke. Tug pulled us to gate. Notified maintenance. Captain; first officer; international relief officer went outside to inspect the gear ourselves. Maintenance informed us that there was ice that apparently had locked up several wheels causing #8 to blow and causing damage to several others. Preflight inspection at departure was done by myself and I noticed no snow/slush accumulation on the sides or top first officer the wheel hub or brake caliper/rotor assembly. All brake pistons and brake wear pins; hydraulic/wire connections were free of contamination.
Original NASA ASRS Text
Title: B777 FLT CREW ON LNDG ROLLOUT HAS SEVERAL TIRES DEFLATE. POSTFLT INSPECTION REVEALS ICE ACCUMULATION CAUSED WHEELS TO LOCK UP.
Narrative: DEPARTED ZZZZ FIELD CONDITION -SNOW; TEMP 0-1 DEG C; LESS THAN 1/2 INCH SNOW/SLUSH ON TXWY; LESS THAN 1/4 INCH SLUSH ON RWY. UNEVENTFUL DEP AND TRIP. ON LNDG; THE #8 TIRE PRESSURE ICAS WAS ANNUNCIATED. AFTER EXITING THE RWY; CAPT CALLED FOR CFR. CFR SAID THAT IT APPEARED THAT WE POSSIBLY HAD SEVERAL FLAT TIRES; WITH NO SMOKE. TUG PULLED US TO GATE. NOTIFIED MAINT. CAPT; FO; IRO WENT OUTSIDE TO INSPECT THE GEAR OURSELVES. MAINT INFORMED US THAT THERE WAS ICE THAT APPARENTLY HAD LOCKED UP SEVERAL WHEELS CAUSING #8 TO BLOW AND CAUSING DAMAGE TO SEVERAL OTHERS. PREFLT INSPECTION AT DEP WAS DONE BY MYSELF AND I NOTICED NO SNOW/SLUSH ACCUMULATION ON THE SIDES OR TOP FO THE WHEEL HUB OR BRAKE CALIPER/ROTOR ASSEMBLY. ALL BRAKE PISTONS AND BRAKE WEAR PINS; HYD/WIRE CONNECTIONS WERE FREE OF CONTAMINATION.
Data retrieved from NASA's ASRS site as of January 2009 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.