Service difficulty report · Stringer · Boeing 73776N

Difficulty date
February 3, 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
Stringer
Condition
Cracked
Location
Zn 100 Fus Lower
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

CRACKED STRINGER AT AREA AFT OF FWD CARGO BAY BS535 S-23R WL164. MARKED<[01] UPDATE PARTIAL STEPS 1-2;[02] SRM 53-00-03-2R-1 REPAIR 1 IS APPLICABLE TO THIS A/C AND REPIR;[03] PERFORMED CUT OUT ON S-23R FCB; REMOVED DAMAGE PART FROM BS 500D+10 TO BS 520 IAW SRM 53-00-03-2R-1 REPAIR 1;12] VERIFIED STEP 1;2; THE MEASUREMENT TABLE AND CORRECTIVE ACTION 11.;[13] CRACKED STRINGER AT BS 535 S-23R WL 164-'THE DAMAGE WAS REPAIRED PER 737-700 SRM 53-00-03-2R-1 (REPAIR 1) AND EA 23-153-00439';[14] VERIFIED CORRECTIVE ACTION STEP 13. VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.

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