Service difficulty report · Rib · Boeing 7377H4

Difficulty date
June 30, 2020
Submitted
July 21, 2020
Operation
Air carrier
Aircraft
N487WN
Make and model
Boeing 7377H4
Aircraft serial
33854
Aircraft time
54,769 hours, 32,381 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 ON LOWER CHORD STAB STA 175.50 AND 18 INCH FROM FRONT SPAR LT HORIZONTAL STAB. PERFORMED REPAIR LOC. INSPAR RIB LOWER CHORD STAB STA 175.50 AND 18 INCHES FROM FRONT SPAR LT HORIZONTAL STAB IAW SRM 55-10-09-2R-5 REPAIR 5 FIG 203.

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