Service difficulty report · Stiffener · Boeing 73776N

Difficulty date
January 23, 2023
Submitted
March 6, 2023
Operation
Air carrier
Aircraft
N7885A
Make and model
Boeing 73776N
Aircraft serial
33379
Aircraft time
62,518 hours, 31,343 cycles
Part
Stiffener
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

RIGHT HAND HORIZONTAL STABILIZER INSPAR RIB; AT STABILIZER STATION 111.10; 3RD VERTICAL STIFFENER IS CRACKED. MARKED<[01] REMOVED RIGHT HAND HORIZONTAL STABILIZER INSPAR RIB; AT STABILIZER STATION 111.10 PER REF SRM 51-40-02;[08] FABRICATED REPAIR PARTS PER REF SRM 55-10-09-2R-4 REPAIR 4<BR><BR>T SECTION 60-5872 #7075T6 LOT NBR 1463618-1<BR>ANGLE REPAIR BAC1490-2793 #7075T6 LOT NBR 1477816-1<BR>SHIMS #7075T6 CLAD .040'' LOT NBR 1513825-1<BR><BR>LOCATED AND DRILLED REPAIR PARTS PER SRM 55-10-09-2R-4 REPAIR 4<BR><BR>OK TO APPLY CHEMICAL CONVERSION COATING AND PRIME ON REPAIR PARTS;[09] VERIFIED FABRICATED REPAIR PARTS PER REF SRM 55-10-09-2R-4 REPAIR 4<BR><BR>T SECTION 60-5872 #7075T6 LOT NBR 1463618-1<BR>ANGLE REPAIR BAC1490-2793 #7075T6 LOT NBR 1477816-1<BR>SHIMS #7075T6 CLAD .040'' LOT NBR 1513825-1<BR><BR>LOCATED AND DRILLED REPAIR PARTS PER SRM 55-10-09-2R-4 REPAIR 4;[10] OK TO TREAT AND PRIME;[11] APPLIED CHEMICAL CONVERSION COATING AND PRIME ON REPAIR PARTS PER SRM 55-10-09-2R-4 REPAIR 4<BR><BR>OK TO INSTALL REPAIR PARTS;13] INSTALLED REPAIR PARTS PER REF SRM 55-10

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