Service difficulty report · Rib · Boeing 7377H4

Difficulty date
June 1, 2021
Submitted
June 28, 2021
Operation
Air carrier
Aircraft
N223WN
Make and model
Boeing 7377H4
Aircraft serial
32492
Aircraft time
53,092 hours, 31,519 cycles
Part
Rib
Condition
Cracked
Location
Horizontal Stab
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

CRACK INSPAR RIB HOLE UPPER CORNER FRONT SPAR STAB STA 120.3 AT RT HORIZONTAL STABILIZER ; 2021-252617 / [01] SUMMARY EA 21-155-01566 HAS BEEN APPROVED; ACTIVATED; AND ADDED AS A SUBTASK TO FAULT TTG8Q0059RNZ.; [02] PERFORMED REPAIR INSPAR RIB HOLE UPPER CORNER FRONT SPAR STAB STA 120.3 AT RT HORIZONTAL STABILIZER IAW EA 21-155-01566 FAULT TTG8Q005J7J9; EA # 21-155-01566-WIP1 FAULT TTG8Q005E8V0 AND EA # 21-155-01566-WIP2 FAULT TTG8Q005G22D.; [03] PERFORMED REPAIR INSPAR RIB HOLE UPPER CORNER FRONT SPAR STAB STA 120.3 AT RT HORIZONTAL STABILIZER IAW EA 21-155-01566 FAULT TTG8Q005J7J9; EA # 21-155-01566-WIP1 FAULT TTG8Q005E8V0 AND EA # 21-155-01566-WIP2 FAULT TTG8Q005G22D.MATERIAL USED: SHEET 7075 T6 0.063 INCHES PO:2021-129486; [04] 3. ABRAHAM ESTRADA (TECHNICIAN); 22-JUN-2021 03:17 UTC <BR>PERFORMED REPAIR INSPAR RIB HOLE UPPER CORNER FRONT SPAR STAB STA 120.3 AT RT HORIZONTAL STABILIZER IAW EA 21-155-01566 FAULT TTG8Q005J7J9; EA # 21-155-01566-WIP1 FAULT TTG8Q005E8V0 AND EA # 21-155-01566-WIP2 FAULT TTG8Q005G22D.MATERIAL USED: SHEET 7075 T6 0.063 INCHES PO:2021-129486<BR><BR>TASK CARD COMPLETE AND CERTIFIED AS RII.

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