SDR SWAA2022030179128

Service difficulty report · Strap · Boeing 737*

Difficulty date: March 17, 2021
Submitted: March 1, 2022
Operation: Air carrier
Aircraft: N936WN
Make and model: Boeing 737*
Aircraft serial: 36643
Aircraft time: 39,513 hours, 23,867 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Strap
Condition: Corroded
Location: Aft Cargo Bay
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

CORROSION STRAP LOCATED BS 887 BETWEEN STRINGER 25 R TO STRINGER 26L RBL 21 TO LBL 9 AT AFT CARGO COMPARTMENT AND WL 155.5 / REPLACED STRAP LOCATED BS887 BETWEEN STRINGER 25R TO STRINGER 26L RBL 21 TO LBL 9 AT AFT CARGO COMPARTMENT AND WL155.5 IAW B737-700 SRM 51-40-02 SRM 51-10-02 AND DWG #146A7500 REV B . PART NUMBERUSED 146A9401U21. REPLACED STRAP DUE TO NOT FOUND ALLOWABLE DAMAGE ON SRM B737-700