---
title: "PL External Corrosion - Schedules"
slug: "pl-external-corrosion-schedules"
updated: 2026-03-09T10:16:12Z
published: 2026-03-09T11:27:02Z
canonical: "ims-handbook.cenosco.com/pl-external-corrosion-schedules"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://ims-handbook.cenosco.com/llms.txt
> Use this file to discover all available pages before exploring further.

# PL External Corrosion - Schedules

> [!NOTE]
> Take note
> 
> This overview will explain the Schedule section in the External Corrosion module of IMS-PLSS.

This section provides, by default, an overview of [Schedules](/v410/docs/schedules-overview) related to the applicable piece of Equipment:

- with Plan codes related to Internal Corrosion,
- which have not been Credited yet.

The grid looks as follows:

![](https://cdn.document360.io/e492a0e0-a4ba-4aca-8fc6-76b95f91fdf3/Images/Documentation/Screenshot_264.png?sv=2026-02-06&spr=https&st=2026-10-28T23%3A42%3A03Z&se=2026-10-29T00%3A42%3A03Z&sr=c&sp=r&sig=ZrRV83WaZxwQY4pr7QBKVq4wrA%2FugaWny5GJ8EI%2BtC0%3D)

Plan codes that are selected in the filter by default are all related to Externa Corrosion:

- ACFM,
- BIOCIDE BATCH PIGGING,
- BIOCIDE BATCHING,
- CHECK LEAK,
- CI SAMPLING,
- CLAMP,
- CLEANING PIGGING,
- CORROSION COUPON RETRIEVAL,
- DO INSTALL CLAMP,
- EDDY CURRENT,
- EROSION ASSESSMENT,
- FFS / PDAM ASSESSMENT,
- GAS SAMPLING,
- GENERIC (SEE INSTRUCTION),
- GENERIC ASSESSMENT (SEE NARRATIVE),
- GENERIC CORRECTIVE WORK (SEE NARRATIVE),
- GUIDED WAVE,
- ICDA - INTERNAL CORROSION DIRECT ASSESSMENT,
- ILI - ACOUSTIC RESONANCE,
- ILI - CALIPER,
- ILI - EDDY CURRRENT,
- ILI - EMAT,
- ILI - MFL,
- ILI - UT,
- ILI CRAWLER/TETHERED UT,
- INHIBITOR BATCHING,
- INSPECT ACFM,
- INTERNAL CORROSION ASSESSMENT,
- INTERNAL VISUAL,
- IOW REVIEW,
- MEG SAMPLING,
- MFL,
- NPP - NON-PIGGABLE PIPELINE ASSESSMENT,
- OIL SAMPLING,
- OTHER ILI ACTIVITY,
- OTHER INSPECTION ACTIVITY,
- OTHER IOW ACTIVITY,
- OTHER PIGGING ACTIVITY,
- OTHER SAMPLING ACTIVITY,
- PRODUCT BATCHING,
- PULSE EDDY CURRENT (PEC),
- RADIOGRAPHY,
- REPAIR,
- REPLACE,
- SPHERING / LIQUID REMOVAL,
- ULTRASONIC,
- WATER SAMPLING