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RH\u002FALL adds queue movements, RH A only air segments, RH S3 one segment, and RL H when the airline sent its locator.","PNR history (RH) — who changed what, and when","intermediate",[11,12,13],"RH","EHP","RL",true,"## When\nA flight disappeared, a name changed, a ticket was issued by someone else, or a client disputes what\nwas booked — you need to see every change in order.\n\n## Steps\n| # | Entry | What it does | Why |\n|---|---|---|---|\n| 1 | `RH` | Whole PNR history (without queue history). | Every change, with office, agent sign, time and RF. |\n| 2 | `RH\u002FALL` | History including queue movements. | When a queue is involved. |\n| 3 | `RH A` · `RH N` · `RH F` · `RH K` | History of air segments · names · fare elements · ticketing elements. | Only the part you need. |\n| 4 | `RH S3` | History of segment 3. | What happened to one flight. |\n| 5 | `RH Q` | Queue history. | Who placed it where. |\n| 6 | `RL H` | History of the airline record locator. | When the airline confirmed. |\n| 7 | `EHP\u002FD` · `EHP\u002FS4` · `EHP\u002FP1` | History Explorer: with date stamps · for segment 4 · for passenger 1. | Easier-to-read history views. |\n\n## How to read it\nHistory is numbered in **steps** (`000` = creation). Each element starts with a two-letter code,\ne.g. `ON` original name, `OS` original segment, `AS` added segment, `CS` changed segment (full list:\n`HE PNRCOD`). Each step ends with an `RF-` line: the received-from text, `CR-` office, duty code,\nagent sign, date and Zulu time. Changes sent by an airline show the airline's teletype address in\nthe RF line (e.g. `RF-HDQRMJM …`); `\u002FTR` or `\u002FIQ` there means a rejected teletype was processed by\na reject agent or an expert system.\n\n## Check it worked\nYou find the step where the change appears and who (or which airline message) made it.\n\n## Traps\n- History shows what Amadeus recorded; if the airline's system disagrees (a NoRec), see\n  *NoRec — the airline has no record of your booking*.\n- A long history is shown in parts; `MD` moves on, `RH049` starts at step 49.",[17,20],{"slug":18,"question":19},"segment-history","How do I see what happened to one flight in Amadeus?",{"slug":21,"question":22},"received-from","What is the received from (RF) element in Amadeus?",[24],{"path":25,"title":26,"description":27,"date":28,"image":29,"imageAlt":29,"draft":30},"\u002Fblog\u002Famadeus-training-with-ai","Amadeus training with AI: onboarding and support for agents","GateRoam has an Amadeus guide your AI assistant can search: learn Amadeus step by step and get answers on tickets, voids and refunds. 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