Service difficulty report · Tire · Boeing 74746NF

Difficulty date
August 10, 2025
Submitted
August 12, 2025
Operation
Air carrier
Aircraft
N450PA
Make and model
Boeing 74746NF
Aircraft serial
30808
Aircraft time
101,117 hours, 16,978 cycles
System (JASC)
3244 · Tire
Part
Tire
Condition
Failed
Location
Zone 700
Stage of operation
LD
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

AT LANDING, #1 TIRE BLEW. FLAT SPOT FOUND. CREW HAD AUTOBRAKE SET AT 4 MINIMUM LEVEL DUE TO NO AUTOSPOILER AND BRAKE ROD. ONCE DISENGAGED, CREW MANUAL BRAKE DID NOT EXCEED LEVEL 2. A/C TAXIED & TOWED IN WITH BLOWN TIRE. R & R #1 MWA IAW AMM 32-45-01/401 & AIPC 32-45-03-02. OPS & LK CHK OK. R/R #1 BRAKE ASSY IAW AMM 32-41-15/401 & AIPC 32-41-15-01A. LEAK CHECK GOOD.: PERFORMED INSPECTION & WIRING CHECK IAW WDM 32-42-14-1, FOUND CONNECTOR DM 48 FOR TRANSDUCER #1 & DM 47 FOR TRANSDUCER #2 WAS IN THE WRONG POSITIONS. SWAPPED BOTH CONNECTORS TO CORRECTED POSITIONS IAW AMM 32-42-04 & WDM 32-42-14-1. NO OTHER DEFECTS NOTED. PERFORMED LT WING GEAR ANTI-SKID TEST IAW AMM 32-42-00-735-779, SYS TEST GOOD. PERFORMED BRAKE SYSTEM BITE GND TEST IAW AMM 32-42-00-715-297, GND TEST GOOD FOR LT WING GEAR. MORE T/S REQ FOR ITEM 3 DISCREPANCY. C/W EO 4432A177 PART 4 ON LT WING GEAR ANTISKID SYS, NO DEFECTS FOUND.

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