Service difficulty report · Rib · Boeing 7377H4

Difficulty date
September 4, 2020
Submitted
September 24, 2020
Operation
Air carrier
Aircraft
N497WN
Make and model
Boeing 7377H4
Aircraft serial
32479
Aircraft time
54,478 hours, 32,216 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 STAB STA 120.30 AT 19 INCHES THE FRONT SPART AT LT HORIZONTAL STABILIZER (1 EA). PERFORMED PERMANENT REPAIR ON INSPAR RIB STAB STA 120.30 AT 19 INCHES THE FRONT SPAR AT LT HORIZONTAL STABILIZER, IAW B737-700 SRM 55-10-09-2R-4 REPAIR FIGURE 202.

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