Service difficulty report · Rib · Boeing 7377H4

Difficulty date
June 16, 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
V
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 ON HOLE OF LOWER INBOARD CORNER INSPAR RIB 120.30 FRONT SPAR RT HORIZONTAL STABILIZER ; 2021-252720 / [01] TOOL USED CALIPER PN: 700-113-10 S/N: 0019289; [02] TOOL USED CALIPER PN: 700-113-10 S/N: 0019289; [03] TOOL USED: P/N: NORTEC 600D; S/N: 210138003; DUE DATE: 05-MAR-22.; [04] TOOLS USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 112031023; DUE DATE: 22-JAN-22. TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 112820025; DUE DATE: 22-JAN-22.; [05] PERFORMED PERMANENT REPAIR ON LOWER INBOARD CORNER INSPAR RIB 120.30 FRONT SPAR RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5 FIG. 205 DETAIL B.USED MATERIAL: 7075T6 0.063 INCHES PO: 2021 129486; 7075 T6 0.050 INCHES PO: 2020 205758.; [06] PERFORMED PERMANENT REPAIR ON LOWER INBOARD CORNER INSPAR RIB 120.30 FRONT SPAR RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5 FIG. 205 DETAIL B.USED MATERIAL: 7075T6 0.063 INCHES PO: 2021 129486; 7075 T6 0.050 INCHES PO: 2020 205758. RII ITEM

More about the Boeing 737-7H4