SDR SWAA2026092145520

Service difficulty report · Strap · Boeing 7377H4

Difficulty date: September 11, 2026
Submitted: September 22, 2026
Operation: Air carrier
Aircraft: N236WN
Make and model: Boeing 7377H4
Aircraft serial: 34631
Aircraft time: 66,536 hours, 40,080 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Strap
Condition: Cracked
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

CRACK FOUND ON THE RT AFT FASTENER HOLE OF BS 639 STUB BEAM STRAP. REPLACED THE DAMAGED STUB BEAM STRAPS IAW SRM 51-40-02-0G-0, DWG 144A5901, SH 36, REV -, DWG 110A0170, REV B, DWG 111A6504, REV B, DWG 144A1715, REV A, DWG 144A1705, REV -, SHEET DL, REV P, AMM 21-23-03-000-801, AMM 21-23-03-400-801, AMM 28-11-00-300-804, SOPM 20-50-19, & SOPM 20-41-02.

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