Service difficulty report · Rib · Boeing 7377H4

Difficulty date
August 17, 2022
Submitted
August 29, 2022
Operation
Air carrier
Aircraft
N791SW
Make and model
Boeing 7377H4
Aircraft serial
27886
Aircraft time
69,480 hours, 40,936 cycles
Part
Rib
Condition
Buckled
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

L/H HORIZ STAB L/E RIB AT STA 170.34 BUCKLED (186A1401-5) / [01] VERIFIED NEW L/H HORIZONTAL STAB RIB STA 170.34 P/N 186A1401U5; A TAGA141918 I/A/W BOEING DRAWING 186A1001 REV A;[02] VERIFIED STEP 1 C/W;[03] LOCATED AND DRILLED UP NEW RIB I/A/W B737 700 SRM 51-40-05 AND BOEING DRAWING 186A1001 REV A;[04] VERIFIED STEP 3<BR>OK TO INSTALL;[05] INSTALLED NEW RIB I/A/W B737 700 SRM 51-40-02 AND BOEING DRAWING 186A1001 REV A;[06] VERIFIED STEP 5;[07] RIB REPLACEMENT BEEN C/W;[08] AUDIT C/W

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