Service difficulty report · Stiffener · Boeing 7377BD

Difficulty date
December 10, 2024
Submitted
January 14, 2025
Operation
Air carrier
Aircraft
N7715E
Make and model
Boeing 7377BD
Aircraft serial
33921
Aircraft time
62,755 hours, 33,831 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

LEFT HAND HORIZONTAL STABILIZER INSPAR RIB; AT STABILIZER STATION 157.10; 3RD VERTICAL STIFFENER IS CRACKED. RIB 8<[01] UPON FURTHER INVESTIGATION (HFEC INSPECTED IAW 737 NDTM PART 6; 51-00-00 PROCEDURE 23.) NO CRACK NOTED. NO FURTHER ACTION REQUIRED.;[02] VERIFIED STEP 1; CORRECTION ACTION ITEM 1; MEASUREMENT FIELD COMPLETE; CARD COMPLETE.

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