Service difficulty report · Rib · Boeing 7377H4

Difficulty date
May 12, 2021
Submitted
June 4, 2021
Operation
Air carrier
Aircraft
N220WN
Make and model
Boeing 7377H4
Aircraft serial
32491
Aircraft time
52,961 hours, 31,490 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

DURING REMOVAL OF RIGHT HAND HORIZONTAL STAB STA 92.70 RIB WAS CRACKED AT UPPER FORWARD CORNER ; / SUMMARY EA 21-155-01364 HAS BEEN APPROVED; ACTIVATED; AND ADDED AS A SUBTASK OF THE FAULT.<BR><BR>NOTE: THE TYPICAL WORK STEP ENG SIGN OFF WAS OMITTED FROM THE WIP1; THEREFORE THIS LABOR ROW WAS ADDED TO ACCOUNT FOR SWA ENGINEERING VERIFICATION THAT A SUMMARY EA WAS ISSUED.; COMPLETED ALL EA #21-155-01364-WIP1 STEPS; VERIFIED ALL STEPS COMPLETED<BR>FINAL AUDIT C/W

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