Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
February 15, 2025
Submitted
March 12, 2025
Operation
Air carrier
Aircraft
N436WN
Make and model
Boeing 7377H4
Aircraft serial
32456
Aircraft time
72,135 hours, 42,840 cycles
Part
Stiffener
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

RH HORIZONTAL STABILIZER; RIB 1 (STAB STA 92.70); STIFFENER 3 LOWER AREA HAS A [01] REPAIRED RH HORIZONTAL STABILIZER; RIB 1 (STAB STA 92.70); STIFFENER 3 IAW SRM 51-40-02-0G-0 AND SRM 55-10-09-2R-4 REPAIR 4; FIG. 202; DETAIL A.; [02] VERIFIED ITEM 1.; [03] TASK CARD COMPLETED.

More about the Boeing 737-7H4