Service difficulty report · Rib · Boeing 7377H4

Difficulty date
May 28, 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

RH HORIZONTAL LE PANEL 331B; 3RD RIB LE STA 95.96 FROM INBD EDGE; HAS A CRACK AT UPPER MOST AFT FASTENER ; PANEL 341B NOT 331B / APPLIED CIC TO RIB IAW AMM 51-21-91; REMOVED AND REPLACED RH STAB LE RIB CHORD AT LE STA 95.96 IAW DWG 186A1303 REV 1; SRM 51-40-02-0G-0; INSPECTION CW. AUDIT CW

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