Service difficulty report · Support · Boeing 737

Difficulty date
March 2, 2022
Submitted
March 31, 2022
Operation
Air carrier
Aircraft
N763SW
Make and model
Boeing 737
Aircraft serial
27877
Aircraft time
74,817 hours, 44,183 cycles
Part
Support
Condition
Corroded
Location
Fwd Cargo
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 ON FWD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT LBL 24 BS 500A+2; BS 500A+10; BS 500A+14; BS 500A+18; BS 500B+7; BS 500B+10; BS 500C+2; BS 500C+10. / [01] REMOVED CORROSION ON FWD CARGO BAY FLOOR TO SIDEWALL SUPPORT;AT LBL 24 ;BTW BS500A+2 TO BS 500C+10; LBL 24 IAW SRM 51-10-02 PARAGRAPH 15; EVALUATED ALL REWORKED AREA ;THE DEPPEST AREA BS 500A+2 LBL 24; DIMENSION: L=2' X W=1' X DEPTH=.008';ORIGINAL THICKNESS 0.040 REMAINING THICKNESS .032 FOUND TO BE DAMAGE OUT LIMITS IAW SRM 53-00-53-1A-2; ALLOWABLE DAMAGE 2;FIG#103;DEATIL 'E' TOOL USED MICROMETER ID ATS400;S/N UNKNOWN DATE DUE 08/2022;[02] VERIFIED CORRECTIVE ACTION 1. OUT OF LIMITS;[03] ACCOMPLISHED WORK AT CUST SYSTEM ID:TTG8Q00B49NH;[04] UPDATED MEASUREMENTS;[05] VERIFIED CARD COMPLETE.