Service difficulty report · Rib · Boeing 7377H4

Difficulty date
March 23, 2022
Submitted
April 26, 2022
Operation
Air carrier
Aircraft
N470WN
Make and model
Boeing 7377H4
Aircraft serial
33860
Aircraft time
60,200 hours, 35,739 cycles
Part
Rib
Condition
Cracked
Location
L/H Horiz. 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 120.30 LOCATED AT 9.5 INCHES FROM REAR SPAR AT LT HORIZONTAL STABILIZER 2022-158341 / [01] TOOL USED EDDY CURRENT INSTRUMENT P/N NORTEC500D S/N N500X12101V022233 DUE DATE 02-JUN-22.;[02] TOOL USED EDDY CURRENT EQUIPMENT PN. NORTEC 600D; SN. 60009161631; DUE DATE: 03-DEC-22;[03] PERFORMED REPAIR ON INSPAR RIB 120.30 LOCATED AT 9.5 INCHES FROM REAR SPAR AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5 SEE INDIVIDUAL SIGNOFFS BELOW;[04] PERFORMED REPAIR ON INSPAR RIB 120.30 LOCATED AT 9.5 INCHES FROM REAR SPAR AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5 CAT A<BR>SEE INDIVIDUAL SIGN OFF BELOW<BR>RII ACCOMPLISHED

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