SDR SWAA2024100128840

Service difficulty report · Web · Boeing 73771B

Difficulty date: August 21, 2024
Submitted: October 1, 2024
Operation: Air carrier
Aircraft: N7852A
Make and model: Boeing 73771B
Aircraft serial: 29371
Aircraft time: 51,472 hours, 32,335 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Web
Condition: Corroded
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

CORROSION ON SUBTHRESHOLD WEB AT ACB BS796 - BS847 RBL26 WL159. MARKED<[01] CHANGED ALLOWABLE DAMAGE IN STEP 1;[02] EDITED REFERENCE;[03] REMOVED AND REPLACED SUBTHRESHOLD WEB AT ACB BS796 - BS847 RBL26 WL159 PER SRM 51-40-02-0G-0 AND BOEING DWG 146A8340.;[04] INSTALLED SUBTHRESHOLD WEB AT ACB BS796 - BS847 RBL26 WL159 PER SRM 51-40-02-0G-0 AND BOEING DWG 146A8340. REV-;[05] VERIFIED RII CORRECTIVE ACTION ITEM 3; CARD COMPLETE.

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