Service difficulty report · Tire · Boeing 7377H4

Difficulty date
July 21, 2023
Submitted
July 24, 2023
Operation
Air carrier
Aircraft
N960WN
Make and model
Boeing 7377H4
Aircraft serial
36675
Aircraft time
38,282 hours, 23,359 cycles
System (JASC)
3245 · Tire Tube
Part
Tire
Part number
UNKNOWN
Condition
Damaged
Location
Zn 700 Landing G
Stage of operation
CR
How discovered
9
Nature of condition
E, O
Precautionary procedure
A

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

What was found

ON CLIMB OUT AT APROX; 12.000 FEET WE FELT A POP AND SHUDDER FROM UNDERNEATH AIRCRAFT; ALL SYSTEMS AND INDICATIONS WERE NORMAL. - CONTINUE TO FAULT DESCRIPTION SECTION 15 MINUTES LATER THE MASTER CAUTION ILLUM WITH SYS A HYDRAULIC QTY LOSS. AFTER LANDING DISCOVERED #3 MAIN TIRE TREAD LOSS WITH DAMAGE TO UNDER WING & TRAILING EDGE FLAP<[01] -C/OUT VISUAL INSPECTION;#3 MAIN TIRE FLAT;SPOILER HYD TUBE BENT OF R/H W/W AREA ;R/H INB?D WING LOWER PANEL DAMAGED AND OVHD PNL ?PSEU? L/T ON<BR>-PLEASE REFER TO ATTACHED PHOTOS;[02] FOUND #3 MAIN WHEEL TIRE FLAT ( 0 PSI) DURING LANDING; R & R #3 /#4 MAIN WHEEL TIRE ASSY PER AMM 32-45-11 AND CHK GOOD.;[03] PSEU LIGHT ON ISSUE; FOUND MSG 31-52108 EXISTING FAULT IN PSEU BITE; ACCORDING TO FIM 32-61 TASK 824; SPOILER UP PRESS HYDRAULIC TUBE LINE LEAK FOUND AND PERFORMED MSG LATCH RESET; PSEU LIGHT DISAPPEARED.;[04] - DUE TO THE HUGE MIST CAUSED BY SPOILER HYD? TUBE DAMAGE; UNABLE TO DETAIL INSPECT OF HYD? LEAK CHECK IN THE W/W AREA WITH HYD? PRESSURE <BR>-PLEASE PERFORM LEAK CHECK AGAIN W/W AREA AFTER REPLACING THE DAMAGED HYD? TUBE.;[05] -C/OUT HYDRAULIC RESERVOIRS DEPRESSURIZATION PER AMM 29-09-00;[06] REFERENCE TTG8Q00MCHK7; TTG8Q00MCMIQ; TTG8Q0MDAUM; TTG8Q00MDA8Q; TTG8Q00MDA8N; TTG8Q00MD8H. FOR WORK COMPLETED FOR FOUND FAULTS DURING INSPECTION AFTER INCIDENT.

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