Service difficulty report · Rib · Boeing 7377H4

Difficulty date
April 11, 2025
Submitted
April 29, 2025
Operation
Air carrier
Aircraft
N938WN
Make and model
Boeing 7377H4
Aircraft serial
36645
Aircraft time
51,442 hours, 31,525 cycles
Part
Rib
Condition
Cracked
Location
Zone 300
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

L/H HORIZONTAL STABILIZER INSPAR RIB AT STAB STA. 111.10 UPPER O/B FLANGE CRACKED AT FWD END<[01] REPAIRED L/H HORIZONTAL STABILIZER INSPAR RIB AT STAB STA 111.10 O/B FLANGE END IAW EA NO. 25-155-00967; REV. A.;[02] 'REPAIRED PER EA 25-155-00967. THIS IS A CATEGORY A REPAIR AS DEFINED IN 737-700 SRM 51-00-06.';[03] VERIFIED COMPLETION CORRECTIVE ACTION 2 AND MEASUREMENT TABLE.

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