Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
November 17, 2023
Submitted
December 13, 2023
Operation
Air carrier
Aircraft
N454WN
Make and model
Boeing 7377H4
Aircraft serial
29851
Aircraft time
64,962 hours, 38,713 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 ON STRINGER 24L LOC BS 500D ON FWD CARGO COMP 2023-689381<[01] TOOL USED: DIGITAL CALIPER P/N: 500-193-30; S/N: 0036B49 AND DUE DATE: 31-DEC-23.;[02] TOOL USED: ULTRASONIC EQUIPMENT; P/N: 45 MG; S/N: 232017609; DUE DATE: 22-SEP-24.;[03] TOOL USED: ULTRASONIC EQUIPMENT; P/N: 45 MG; S/N: 232017609; DUE DATE: 22-SEP-24.;[04] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 60009161631; DUE DATE: 31-JAN-24.;[05] TOOL 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.;[06] REPAIRED STRINGER LOCATED STRINGER 24L BETWEEN BS 500C MORE 10? TO BS 500D MORE 10?. IAW B737-700 SRM-53-00-03-2R-1. REPAIR 1; STEP 4.K. SEE INDIVIDUAL SIGN-OFF BELOW.;[07] REPAIRED STRINGER LOCATED STRINGER 24L BETWEEN BS 500C MORE 10? TO BS 500D MORE 10?. IAW B737-700 SRM-53-00-03-2R-1. REPAIR 1; STEP 4.K. SEE INDIVIDUAL SIGN-OFF BELOW. RII CERTIFIED

More about the Boeing 737-7H4