Service difficulty report · None · Boeing 7377H4

Difficulty date
September 23, 2022
Submitted
September 27, 2022
Operation
Air carrier
Aircraft
N220WN
Make and model
Boeing 7377H4
Aircraft serial
32491
Aircraft time
56,871 hours, 33,889 cycles
Part
None
Condition
Cracked
Location
L/H Wing
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

FOUND #2 SLAT UPPER SKIN CRACKED @ SLAT STATION 327 DURING BIRD STRIKE INSPECTION DENT IS L= 10.0 W= 2.5CRACK IS 2.25 / [01] REMOVED #2 LE SLAT IAW AMM 27-81-21. NEEDS INSTALL AND RIG CHECK.;[02] INSPECTED CAN HOUSING AND FOUND NO DEBRIS OR FOD. INSPECTED HARDWARE AND FOUND 3 EA STOP FITTINGS BAD. ALL OTHER HARDWARE OK TO INSTALL PER AMM 27-81-21;[03] BEGAN INSTALLATION OF #2 LE SLAT IAW AMM 27-81-21. TEMP INSTALLED HARDWARE ON MAIN SLAT TRACKS AND AUXILIARY SLAT TRACKS. WING ANTI-ICE TELESCOPING DUCT STILL NEEDS TO BE TORQUED. SLAT ACTUATOR STILL NEEDS TO BE INSTALLED.;[04] PERFORMED AMM 27-81-21 FROM STEP G (4) THRU H(14) ON LH #2 SLAT. PERFORMED AMM 27-81-00-820-803 UPTO STEP H(6). REMAINDER OF AMM TASK 27-81-00-820-803 FOR LEADING EDGE SLATS ADJUSTMENT IS REQ;[05] INSPECTED ACCOMPLISHMENT OF AMM 27-81-21 FROM STEP G (4) THRU H(14) ON LH #2 SLAT. PERFORMED AMM 27-81-00-820-803 UPTO STEP H(6). REMAINDER OF AMM TASK 27-81-00-820-803 FOR LEADING EDGE SLATS ADJUSTMENT IS REQ;[06] REMOVED REPLACEMENT #2 SLAT AND FOUND INCORRECT SLAT TRACK LENGTHS ON THE INBOARD AND OUTBOARD. THIS INSTALL MUST BE RE-ACCOMPLISHED REFERENCING APPLICABLE STEPS IN AMM 27-81-21.;[07] INSTALLED NEW #2 SLAT IAW AMM 27-81-21. RIGGING AND OPS CHECK GOOD. REMOVED SLAT P/N 114A5020-5 DOES NOT EXIST IN MXI. SERIAL NUMBER 001770 IS THE CORRECT REMOVED SERIAL NUMBER.;[08] C/W RII OF INSTALL OF NEW #2 SLAT IAW AMM 27-81-21

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