Service difficulty report · Rib · Boeing 7377H4

Difficulty date
January 11, 2022
Submitted
February 2, 2022
Operation
Air carrier
Aircraft
N919WN
Make and model
Boeing 7377H4
Aircraft serial
36625
Aircraft time
45,394 hours, 26,963 cycles
Part
Rib
Condition
Cracked
Location
L/H Horiz. Stab.
Stage of operation
UK
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 HOR. STAB L/E SKIN (331B) RIB CRACKED AT LE STA 105 ; / [01] REMOVED AND INSTALLED AS PER BOEING DRAWING 186A1304; [02] REMOVED AND INSTALLED AS PER B737-700 SRM 51-40-02-0G-0 AND BOEING DRAWING 186A1304; [03] VERIFIED STEP 1; AND VERIFIED CORRECTED STEP 2.

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