Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
October 28, 2022
Submitted
May 3, 2023
Operation
Air carrier
Aircraft
N269WN
Make and model
Boeing 7377H4
Aircraft serial
32526
Aircraft time
52,572 hours, 31,375 cycles
Part
Stringer
Condition
Corroded
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

SUPPLEMENTAL INFORMATION: AFT OF FWD CARGO COMP S-26L CORROSION AROUND FASTENER AT STA 540<[01] REMOVED EXF. CORROSION AT AFT OF FWD CARGO COMP S-26L; STA 540; IN REF. SRM 51-10-02-0G-0.;[07] PARTIALLY LOCATED AND DRILLED NEW STRINGER AND HAT SECTION SPLICE REF SRM 53-00-03-2R-1 REPAIR 1 FIGURE 205;[08] LOCATED AND DRILLED HAT SECTION SPLICE DEPENDING FINAL SIZE REF SRM 53-00-03-2R-1 REPAIR 1 FIGURE 205.;[09] LOCATED AND DRILLED ALL HOLES TO FINAL SIZE REF SRM 53-00-03-2R-1 REPAIR 1 FIGURE 205;[10] VERIFIED STEPS 1-4 AND 7-9. OK TO TREAT AND PRIME REPAIR PARTS;[11] ACCOMPLISHED REPAIR AT S-26L; STA. 540 AS PER EA: 22-153-03291/8638013.;[12] PROCEDURES FOR TREAT & PRIME REPAIR PARTS WERE ACCOMPLISHED ON EA: 22-153-03291-WIP1; REV.2; STEP #10; & -WIP2 REV. 3; STEPS #7 & 8.;[13] VERIFIED STEPS 11 AND 12. TASK C/W;[14] VERIFIED STEPS 11 AND 12. TASK C/W

More about the Boeing 737-7H4