Service difficulty report · Rib · Boeing 7377H4

Difficulty date
July 22, 2021
Submitted
August 24, 2021
Operation
Air carrier
Aircraft
N224WN
Make and model
Boeing 7377H4
Aircraft serial
32493
Aircraft time
53,348 hours, 31,840 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

CRACK INSPAR RIB LOCATED AT STAB STA 166.30 AT 23 INCH FROM FRONT SPAR AT RT HORIZONTAL STABILIZER ; 2021-348652 / [01] TOOL USED CALIPER P/N 700-113-10 S/N 0031753 DUE DATE 30-SEP-21; [02] TOOL USED RADIUS GAUGE P/N 2204A3 S/N AE-408660 DUE DATE 02-NOV-21; [03] TOOL USED P/N NORTEC600D; S/N: 210138503; DUE DATE: 05-MAR-22; [04] TOOL USED. P/N: NORTEC 500D. S/N: N500X12101V022240. DUE DATE: 01-DEC-21.; [05] PERFORMED PERMANENT REPAIR ON INSPAR RIB LOCATED AT STAB STA 166.30 AT 23 INCH FROM FRONT SPAR AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-4 REPAIR 4 FIGURE 202 DETAIL A MATERIAL USED BAC1490 7075-T6 PO:2021 124757; 7075-76511 PO:0; 7075T6-020 PO:2020 203308; [06] PERFORMED PERMANENT REPAIR ON INSPAR RIB LOCATED AT STAB STA 166.30 AT 23 INCH FROM FRONT SPAR AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-4 REPAIR 4 FIGURE 202 DETAIL A MATERIAL USED BAC1490 7075-T6 PO:2021 124757; 7075-76511 PO:0; 7075T6-020 PO:2020 203308. RII

More about the Boeing 737-7H4