Service difficulty report · Rib · Boeing 7377H4

Difficulty date
August 31, 2020
Submitted
October 12, 2020
Operation
Air carrier
Aircraft
N785SW
Make and model
Boeing 7377H4
Aircraft serial
30602
Aircraft time
69,162 hours, 40,803 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 INSPAR RIB LOCATED STAB STA 120.30 AT 36 INCH FRONT SPAR AT RT HORIZONTAL STABILIZER. PERFORMED REPAIR RIB 120.30 BETWEEN 23' TO 38' FROM THE FRONT SPAR HORIZONTAL RT, IAW B737-700 SRM 55-10- 09 2R-5 REPAIR 5 FIG 204 SHEET 2 AND THE REPAIR STEPS WERE DOCUMENTED ON NRC L177845.

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