Service difficulty report · Rib · Boeing 7377H4

Difficulty date
March 4, 2021
Submitted
March 17, 2021
Operation
Air carrier
Aircraft
N937WN
Make and model
Boeing 7377H4
Aircraft serial
36644
Aircraft time
39,004 hours, 23,596 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 129.50 LOWER CHORD FRONT SPAR AT LT HORIZONTAL STABILIZER. REPAIRED INSPAR RIB STAB 129.50 LOWER CHORD AT FRONT SPAR LH HORIZONTAL STABILIZER IAW EA Ï¿½2115500592 REV.1; EA Ï¿½55008821 REV.0 AND PART 1; PART 2

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