Service difficulty report · Stringer · Boeing 73776Q

Difficulty date
April 16, 2023
Submitted
May 31, 2023
Operation
Air carrier
Aircraft
N7815L
Make and model
Boeing 73776Q
Aircraft serial
30288
Aircraft time
60,418 hours, 35,015 cycles
Part
Stringer
Part number
UNKNOWN
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

CRACK STRINGER 11L LOCATED BS294.5 AT PASSENGER CABIN 2023-258015<[01] TOOL USED: ET EQUIPMENT P/N: NORTEC 500D; S/N: N500X12101V022233; DUE DATE: 30-AUG-23;[02] TOOLS USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 25-JAN-24; TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811019; DUE DATE: 25-JAN-24.;[03] PERFORMED PERMANENT REPAIR ON STRINGER 11L BETWEEN BS 277+11 TO BS 294.5 AT PASSENGER CABIN I.A.W B737-700 SRM 53-00-03-2R-1 REPAIR 1.SEE INDIVIDUAL SING OFF BELOW.;[04] REJECT RII STEP 14. REPLACE STRINGER 11L SPLICE AREA ALTERNATIVE REPAIR FASTENERS BASED ON NO ALTERNATIVE FASTENER IS PERMITED AT THIS STR LOCATION PER B737-700 SRM 53-00-03-2R-1 REAPIR 1 TABLE 201 NOTE. AT PASSENGER CABIN [TTG8Q00KRKYH];[05] PERFORMED PERMANENT REPAIR ON STRINGER 11L BETWEEN BS 277+11 TO BS 294.5 AT PASSENGER CABIN I.A.W B737-700 SRM 53-00-03-2R-1 REPAIR 1.SEE INDIVIDUAL SING OFF BELOW.;[06] CERTIFIED RII MAJOR REPAIR PERFORMED. <BR>SEE INDIVIDUAL SIGNOFFS BELOW.

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