Service difficulty report · Rib · Boeing 73776N

Difficulty date
August 30, 2023
Submitted
September 26, 2023
Operation
Air carrier
Aircraft
N7822A
Make and model
Boeing 73776N
Aircraft serial
32596
Aircraft time
65,627 hours, 33,285 cycles
Part
Rib
Part number
UNKNOWN
Condition
Cracked
Location
Zn 300 Stabilize
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

LEFT HAND HORIZONTAL STABILIZER INSPAR RIB; AT STABILIZER STATION 129.50; 3RD VERTICAL STIFFENER IS CRACKED.<[01] SRM 55-10-09-2R-4 STEP 4. E. INSPECTION FOUND DAMAGE ADJACENT TO REPAIR AREA; GENERATED TTG8Q00NBZEC; SEE SUB-STEP 9.;[02] REPAIR OF L/H HORIZONTAL STAB INSPAR RIB 3RD VERTICAL STIFFENER AT STAB STA 129.50 AND OUT OF ROUND HOLE ON LOWER FLANG ACCOMPLISHED ON FAULT TTG8Q00NBZEC REFERANCE EA 23-155-02777;[03] ?REFER TO FAULT TTG8Q00NBZEC WHERE EA 23-155-02777 WAS ADDED AS A SUBTASK?;[04] VERIFIED CORRECTIVE ACTION COMPLETE. VERIFIED MEASUREMENT TABLE.

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