Service difficulty report · Tire · Boeing 7879

Difficulty date
October 13, 2026
Submitted
October 16, 2026
Operation
Air carrier
Aircraft
N839AA
Make and model
Boeing 7879
Aircraft serial
40646
System (JASC)
3244 · Tire
Part
Tire
Part number
31644
Part serial
1257
Condition
Flat
Location
Zone 700
Part time
7,850 hours, 959 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS GROUNDED: DURING CRUISE "TIRE PRESS" ILLUMINATED WITH #2 & # 8 TIRES INDICATING AMBER.AFTER T/O #8 TIRE PRESSURE SLOWLY WENT TO ZERO. AS A PRECAUTION PAN-PAN DECLARED AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED NO.8 WHEEL TIRE,THEN PRESS & LEAK CHECK SATIS IAW AMM 32-45-01. #2 TIRE WAS WITHIN LIMITS ONN MIC 4876510 AND DUE TO LANDING WITH A FLAT TIRE THE #7 TIRE WAS ALSO REPLACED ON MIC 4876512.

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