Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
April 11, 2024
Submitted
May 22, 2024
Operation
Air carrier
Aircraft
N474WN
Make and model
Boeing 7377H4
Aircraft serial
33861
Aircraft time
65,342 hours, 39,098 cycles
Part
Stringer
Part number
UNKNOWN
Condition
Cracked
Location
Bs 535 S23l
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-23L WL164. MARKED FWD CARGO BAY STA 535 STRINGER 23R. NOT STRINGER 23L AS REPORTED.<[01] VERIFIED CRACKED STRINGER LOCATION. UPON FURTHER INVESTIGATION DAMAGED STRINGER FOUND TO BE AT FWD CARGO BAY STA 535; STRINGER 23R. NOT STRINGER 23L AS REPORTED. REF: SRM 51-10-04-0G-0 PAR:4.;[02] VERIFIED SRM APPLICABILITY IN STEP 3;[03] ACCOMPLISHED STRINGER REPAIR AT FCB BETWEEN BS 500D+7' TO BS 536; STRINGER 23R/H PER SRM 53-00-03-2R-1; PAR 4; FIG 205.;[04] VERIFIED CORRECTIVE ACTION 3

More about the Boeing 737-7H4