Service difficulty report · Rib · Boeing 7377H4

Difficulty date
April 7, 2022
Submitted
May 10, 2022
Operation
Air carrier
Aircraft
N948WN
Make and model
Boeing 7377H4
Aircraft serial
36662
Aircraft time
38,917 hours, 23,567 cycles
Part
Rib
Condition
Cracked
Location
R/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 LEADING EDGE RIB LOCATED AT LE STA 86.66 AT RT HORIZONTAL STABILIZER 2022-168890 / [01] TOOL USED CALIPER PN 500-752-20 SN B21038254 CAL DUE DATE 11 AUG 22.;[02] TOOL USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 02-FEB-23.;[03] INSTALLED FASTENERS AND RIB ON LEADING EDGE LOC. AT STA 86.66 AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 51-40-02; 51-10-02 ITEM 9 AND DWG 186A1001 REV: A SHEET 7. SEE INDIVIDUAL SIGN-OFF BELLOW;[04] INSTALLED FASTENERS AND RIB ON LEADING EDGE LOC. AT STA 86.66 AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 51-40-02; 51-10-02 ITEM 9 AND DWG 186A1001 REV: A SHEET 7. RII VERIFIED

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