SDR SWAA2026051389820

Service difficulty report · Strap · Boeing 7377H4

Difficulty date: April 15, 2026
Submitted: May 13, 2026
Operation: Air carrier
Aircraft: N475WN
Make and model: Boeing 7377H4
Aircraft serial: 32474
Aircraft time: 71,737 hours, 42,962 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Strap
Condition: Out Of Tolerance
Location: Zone 100
Stage of operation: IN
How discovered: V
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

FRAME STRAP AT BS 328 STR 20R-22R DOES NOT MATCH CONFIGURATION OF FIG 5 CUSTOMER CARD 5311-I-17336NG STEP 13, FOUND REPAIR AT BS 328 FRAME BETWEEN STRINGERS S-19 R AND S-24R CARD REQUIRES CONTACT ENGINEERING USING ESR OR TSR. VERIFIED PERFORM OP TEST OF IND LIGHT DIMM M469 IAW AMM 33-18-00-960-805, NO DEFECTS NOTED. INSPECTED AREA OF EA 24-153-03187 EXISTING REPAIR PER EA 26-153-01076. AMOC FOR AD 2025-15-01 TRACKING ON EA 26-153-01076-TRK..

More about the Boeing 737-7H4